72286520

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{25453}}^1$

素因数の和:25535

約数の個数: 32

約数和(自身を含む): 164941920

約数和(自身を除く): 92655400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 25453, 50906, 101812, 127265, 203624, 254530, 509060, 1018120, 1807163, 3614326, 7228652, 9035815, 14457304, 18071630, 36143260, 72286520]

約数ペア:

[(1, 72286520), (2, 36143260), (4, 18071630), (5, 14457304), (8, 9035815), (10, 7228652), (20, 3614326), (40, 1807163), (71, 1018120), (142, 509060), (284, 254530), (355, 203624), (568, 127265), (710, 101812), (1420, 50906), (2840, 25453)]