80726000

素因数分解:

$2^4\times 5^3\times {\mathrm{181}}^1\times {\mathrm{223}}^1$

素因数の和:427

約数の個数: 80

約数和(自身を含む): 197154048

約数和(自身を除く): 116428048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 181, 200, 223, 250, 362, 400, 446, 500, 724, 892, 905, 1000, 1115, 1448, 1784, 1810, 2000, 2230, 2896, 3568, 3620, 4460, 4525, 5575, 7240, 8920, 9050, 11150, 14480, 17840, 18100, 22300, 22625, 27875, 36200, 40363, 44600, 45250, 55750, 72400, 80726, 89200, 90500, 111500, 161452, 181000, 201815, 223000, 322904, 362000, 403630, 446000, 645808, 807260, 1009075, 1614520, 2018150, 3229040, 4036300, 5045375, 8072600, 10090750, 16145200, 20181500, 40363000, 80726000]

約数ペア:

[(1, 80726000), (2, 40363000), (4, 20181500), (5, 16145200), (8, 10090750), (10, 8072600), (16, 5045375), (20, 4036300), (25, 3229040), (40, 2018150), (50, 1614520), (80, 1009075), (100, 807260), (125, 645808), (181, 446000), (200, 403630), (223, 362000), (250, 322904), (362, 223000), (400, 201815), (446, 181000), (500, 161452), (724, 111500), (892, 90500), (905, 89200), (1000, 80726), (1115, 72400), (1448, 55750), (1784, 45250), (1810, 44600), (2000, 40363), (2230, 36200), (2896, 27875), (3568, 22625), (3620, 22300), (4460, 18100), (4525, 17840), (5575, 14480), (7240, 11150), (8920, 9050)]