12420880

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9133}}^1$

素因数の和:9163

約数の個数: 40

約数和(自身を含む): 30580632

約数和(自身を除く): 18159752

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 9133, 18266, 36532, 45665, 73064, 91330, 146128, 155261, 182660, 310522, 365320, 621044, 730640, 776305, 1242088, 1552610, 2484176, 3105220, 6210440, 12420880]

約数ペア:

[(1, 12420880), (2, 6210440), (4, 3105220), (5, 2484176), (8, 1552610), (10, 1242088), (16, 776305), (17, 730640), (20, 621044), (34, 365320), (40, 310522), (68, 182660), (80, 155261), (85, 146128), (136, 91330), (170, 73064), (272, 45665), (340, 36532), (680, 18266), (1360, 9133)]