65988820

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{46471}}^1$

素因数の和:46551

約数の個数: 24

約数和(自身を含む): 140531328

約数和(自身を除く): 74542508

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 46471, 92942, 185884, 232355, 464710, 929420, 3299441, 6598882, 13197764, 16497205, 32994410, 65988820]

約数ペア:

[(1, 65988820), (2, 32994410), (4, 16497205), (5, 13197764), (10, 6598882), (20, 3299441), (71, 929420), (142, 464710), (284, 232355), (355, 185884), (710, 92942), (1420, 46471)]