40860820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{157}}^1$

素因数の和:210

約数の個数: 144

約数和(自身を含む): 116581248

約数和(自身を除く): 75720428

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 52, 55, 65, 70, 77, 91, 110, 130, 140, 143, 154, 157, 169, 182, 220, 260, 286, 308, 314, 338, 364, 385, 455, 572, 628, 676, 715, 770, 785, 845, 910, 1001, 1099, 1183, 1430, 1540, 1570, 1690, 1727, 1820, 1859, 2002, 2041, 2198, 2366, 2860, 3140, 3380, 3454, 3718, 4004, 4082, 4396, 4732, 5005, 5495, 5915, 6908, 7436, 8164, 8635, 9295, 10010, 10205, 10990, 11830, 12089, 13013, 14287, 17270, 18590, 20020, 20410, 21980, 22451, 23660, 24178, 26026, 26533, 28574, 34540, 37180, 40820, 44902, 48356, 52052, 53066, 57148, 60445, 65065, 71435, 89804, 106132, 112255, 120890, 130130, 132665, 142870, 157157, 185731, 224510, 241780, 260260, 265330, 285740, 291863, 314314, 371462, 449020, 530660, 583726, 628628, 742924, 785785, 928655, 1167452, 1459315, 1571570, 1857310, 2043041, 2918630, 3143140, 3714620, 4086082, 5837260, 8172164, 10215205, 20430410, 40860820]

約数ペア:

[(1, 40860820), (2, 20430410), (4, 10215205), (5, 8172164), (7, 5837260), (10, 4086082), (11, 3714620), (13, 3143140), (14, 2918630), (20, 2043041), (22, 1857310), (26, 1571570), (28, 1459315), (35, 1167452), (44, 928655), (52, 785785), (55, 742924), (65, 628628), (70, 583726), (77, 530660), (91, 449020), (110, 371462), (130, 314314), (140, 291863), (143, 285740), (154, 265330), (157, 260260), (169, 241780), (182, 224510), (220, 185731), (260, 157157), (286, 142870), (308, 132665), (314, 130130), (338, 120890), (364, 112255), (385, 106132), (455, 89804), (572, 71435), (628, 65065), (676, 60445), (715, 57148), (770, 53066), (785, 52052), (845, 48356), (910, 44902), (1001, 40820), (1099, 37180), (1183, 34540), (1430, 28574), (1540, 26533), (1570, 26026), (1690, 24178), (1727, 23660), (1820, 22451), (1859, 21980), (2002, 20410), (2041, 20020), (2198, 18590), (2366, 17270), (2860, 14287), (3140, 13013), (3380, 12089), (3454, 11830), (3718, 10990), (4004, 10205), (4082, 10010), (4396, 9295), (4732, 8635), (5005, 8164), (5495, 7436), (5915, 6908)]