858232720

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{110597}}^1$

素因数の和:110707

約数の個数: 40

約数和(自身を含む): 2015980344

約数和(自身を除く): 1157747624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 7760, 110597, 221194, 442388, 552985, 884776, 1105970, 1769552, 2211940, 4423880, 8847760, 10727909, 21455818, 42911636, 53639545, 85823272, 107279090, 171646544, 214558180, 429116360, 858232720]

約数ペア:

[(1, 858232720), (2, 429116360), (4, 214558180), (5, 171646544), (8, 107279090), (10, 85823272), (16, 53639545), (20, 42911636), (40, 21455818), (80, 10727909), (97, 8847760), (194, 4423880), (388, 2211940), (485, 1769552), (776, 1105970), (970, 884776), (1552, 552985), (1940, 442388), (3880, 221194), (7760, 110597)]