51419980

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{15773}}^1$

素因数の和:15945

約数の個数: 24

約数和(自身を含む): 108651312

約数和(自身を除く): 57231332

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 15773, 31546, 63092, 78865, 157730, 315460, 2570999, 5141998, 10283996, 12854995, 25709990, 51419980]

約数ペア:

[(1, 51419980), (2, 25709990), (4, 12854995), (5, 10283996), (10, 5141998), (20, 2570999), (163, 315460), (326, 157730), (652, 78865), (815, 63092), (1630, 31546), (3260, 15773)]