38856520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:143

約数の個数: 128

約数和(自身を含む): 99792000

約数和(自身を除く): 60935480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 29, 38, 40, 41, 43, 58, 76, 82, 86, 95, 116, 145, 152, 164, 172, 190, 205, 215, 232, 290, 328, 344, 380, 410, 430, 551, 580, 760, 779, 817, 820, 860, 1102, 1160, 1189, 1247, 1558, 1634, 1640, 1720, 1763, 2204, 2378, 2494, 2755, 3116, 3268, 3526, 3895, 4085, 4408, 4756, 4988, 5510, 5945, 6232, 6235, 6536, 7052, 7790, 8170, 8815, 9512, 9976, 11020, 11890, 12470, 14104, 15580, 16340, 17630, 22040, 22591, 23693, 23780, 24940, 31160, 32680, 33497, 35260, 45182, 47386, 47560, 49880, 51127, 66994, 70520, 90364, 94772, 102254, 112955, 118465, 133988, 167485, 180728, 189544, 204508, 225910, 236930, 255635, 267976, 334970, 409016, 451820, 473860, 511270, 669940, 903640, 947720, 971413, 1022540, 1339880, 1942826, 2045080, 3885652, 4857065, 7771304, 9714130, 19428260, 38856520]

約数ペア:

[(1, 38856520), (2, 19428260), (4, 9714130), (5, 7771304), (8, 4857065), (10, 3885652), (19, 2045080), (20, 1942826), (29, 1339880), (38, 1022540), (40, 971413), (41, 947720), (43, 903640), (58, 669940), (76, 511270), (82, 473860), (86, 451820), (95, 409016), (116, 334970), (145, 267976), (152, 255635), (164, 236930), (172, 225910), (190, 204508), (205, 189544), (215, 180728), (232, 167485), (290, 133988), (328, 118465), (344, 112955), (380, 102254), (410, 94772), (430, 90364), (551, 70520), (580, 66994), (760, 51127), (779, 49880), (817, 47560), (820, 47386), (860, 45182), (1102, 35260), (1160, 33497), (1189, 32680), (1247, 31160), (1558, 24940), (1634, 23780), (1640, 23693), (1720, 22591), (1763, 22040), (2204, 17630), (2378, 16340), (2494, 15580), (2755, 14104), (3116, 12470), (3268, 11890), (3526, 11020), (3895, 9976), (4085, 9512), (4408, 8815), (4756, 8170), (4988, 7790), (5510, 7052), (5945, 6536), (6232, 6235)]