72247220

素因数分解:

$2^2\times 5^1\times {\mathrm{523}}^1\times {\mathrm{6907}}^1$

素因数の和:7439

約数の個数: 24

約数和(自身を含む): 152031264

約数和(自身を除く): 79784044

約数列:

[1, 2, 4, 5, 10, 20, 523, 1046, 2092, 2615, 5230, 6907, 10460, 13814, 27628, 34535, 69070, 138140, 3612361, 7224722, 14449444, 18061805, 36123610, 72247220]

約数ペア:

[(1, 72247220), (2, 36123610), (4, 18061805), (5, 14449444), (10, 7224722), (20, 3612361), (523, 138140), (1046, 69070), (2092, 34535), (2615, 27628), (5230, 13814), (6907, 10460)]