1581569480

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{407621}}^1$

素因数の和:407729

約数の個数: 32

約数和(自身を含む): 3595226040

約数和(自身を除く): 2013656560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 407621, 815242, 1630484, 2038105, 3260968, 4076210, 8152420, 16304840, 39539237, 79078474, 158156948, 197696185, 316313896, 395392370, 790784740, 1581569480]

約数ペア:

[(1, 1581569480), (2, 790784740), (4, 395392370), (5, 316313896), (8, 197696185), (10, 158156948), (20, 79078474), (40, 39539237), (97, 16304840), (194, 8152420), (388, 4076210), (485, 3260968), (776, 2038105), (970, 1630484), (1940, 815242), (3880, 407621)]