22818380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:235

約数の個数: 72

約数和(自身を含む): 53433072

約数和(自身を除く): 30614692

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 157, 169, 172, 215, 260, 314, 338, 430, 559, 628, 676, 785, 845, 860, 1118, 1570, 1690, 2041, 2236, 2795, 3140, 3380, 4082, 5590, 6751, 7267, 8164, 10205, 11180, 13502, 14534, 20410, 26533, 27004, 29068, 33755, 36335, 40820, 53066, 67510, 72670, 87763, 106132, 132665, 135020, 145340, 175526, 265330, 351052, 438815, 530660, 877630, 1140919, 1755260, 2281838, 4563676, 5704595, 11409190, 22818380]

約数ペア:

[(1, 22818380), (2, 11409190), (4, 5704595), (5, 4563676), (10, 2281838), (13, 1755260), (20, 1140919), (26, 877630), (43, 530660), (52, 438815), (65, 351052), (86, 265330), (130, 175526), (157, 145340), (169, 135020), (172, 132665), (215, 106132), (260, 87763), (314, 72670), (338, 67510), (430, 53066), (559, 40820), (628, 36335), (676, 33755), (785, 29068), (845, 27004), (860, 26533), (1118, 20410), (1570, 14534), (1690, 13502), (2041, 11180), (2236, 10205), (2795, 8164), (3140, 7267), (3380, 6751), (4082, 5590)]