72460240

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{10177}}^1$

素因数の和:10279

約数の個数: 40

約数和(自身を含む): 170379720

約数和(自身を除く): 97919480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120, 10177, 20354, 40708, 50885, 81416, 101770, 162832, 203540, 407080, 814160, 905753, 1811506, 3623012, 4528765, 7246024, 9057530, 14492048, 18115060, 36230120, 72460240]

約数ペア:

[(1, 72460240), (2, 36230120), (4, 18115060), (5, 14492048), (8, 9057530), (10, 7246024), (16, 4528765), (20, 3623012), (40, 1811506), (80, 905753), (89, 814160), (178, 407080), (356, 203540), (445, 162832), (712, 101770), (890, 81416), (1424, 50885), (1780, 40708), (3560, 20354), (7120, 10177)]