72472240

素因数分解:

$2^4\times 5^1\times {\mathrm{503}}^1\times {\mathrm{1801}}^1$

素因数の和:2317

約数の個数: 40

約数和(自身を含む): 168926688

約数和(自身を除く): 96454448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 503, 1006, 1801, 2012, 2515, 3602, 4024, 5030, 7204, 8048, 9005, 10060, 14408, 18010, 20120, 28816, 36020, 40240, 72040, 144080, 905903, 1811806, 3623612, 4529515, 7247224, 9059030, 14494448, 18118060, 36236120, 72472240]

約数ペア:

[(1, 72472240), (2, 36236120), (4, 18118060), (5, 14494448), (8, 9059030), (10, 7247224), (16, 4529515), (20, 3623612), (40, 1811806), (80, 905903), (503, 144080), (1006, 72040), (1801, 40240), (2012, 36020), (2515, 28816), (3602, 20120), (4024, 18010), (5030, 14408), (7204, 10060), (8048, 9005)]