15496720

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1997}}^1$

素因数の和:2107

約数の個数: 40

約数和(自身を含む): 36419544

約数和(自身を除く): 20922824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 1997, 3880, 3994, 7760, 7988, 9985, 15976, 19970, 31952, 39940, 79880, 159760, 193709, 387418, 774836, 968545, 1549672, 1937090, 3099344, 3874180, 7748360, 15496720]

約数ペア:

[(1, 15496720), (2, 7748360), (4, 3874180), (5, 3099344), (8, 1937090), (10, 1549672), (16, 968545), (20, 774836), (40, 387418), (80, 193709), (97, 159760), (194, 79880), (388, 39940), (485, 31952), (776, 19970), (970, 15976), (1552, 9985), (1940, 7988), (1997, 7760), (3880, 3994)]