31282287440

素因数分解:

$2^4\times 5^1\times {\mathrm{1993}}^1\times {\mathrm{196201}}^1$

素因数の和:198207

約数の個数: 40

約数和(自身を含む): 72768182568

約数和(自身を除く): 41485895128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1993, 3986, 7972, 9965, 15944, 19930, 31888, 39860, 79720, 159440, 196201, 392402, 784804, 981005, 1569608, 1962010, 3139216, 3924020, 7848040, 15696080, 391028593, 782057186, 1564114372, 1955142965, 3128228744, 3910285930, 6256457488, 7820571860, 15641143720, 31282287440]

約数ペア:

[(1, 31282287440), (2, 15641143720), (4, 7820571860), (5, 6256457488), (8, 3910285930), (10, 3128228744), (16, 1955142965), (20, 1564114372), (40, 782057186), (80, 391028593), (1993, 15696080), (3986, 7848040), (7972, 3924020), (9965, 3139216), (15944, 1962010), (19930, 1569608), (31888, 981005), (39860, 784804), (79720, 392402), (159440, 196201)]