100403420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{12457}}^1$

素因数の和:12510

約数の個数: 48

約数和(自身を含む): 234409728

約数和(自身を除く): 134006308

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 12457, 24914, 49828, 62285, 124570, 161941, 249140, 323882, 386167, 647764, 772334, 809705, 1544668, 1619410, 1930835, 3238820, 3861670, 5020171, 7723340, 10040342, 20080684, 25100855, 50201710, 100403420]

約数ペア:

[(1, 100403420), (2, 50201710), (4, 25100855), (5, 20080684), (10, 10040342), (13, 7723340), (20, 5020171), (26, 3861670), (31, 3238820), (52, 1930835), (62, 1619410), (65, 1544668), (124, 809705), (130, 772334), (155, 647764), (260, 386167), (310, 323882), (403, 249140), (620, 161941), (806, 124570), (1612, 62285), (2015, 49828), (4030, 24914), (8060, 12457)]