7388720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4861}}^1$

素因数の和:4893

約数の個数: 40

約数和(自身を含む): 18086640

約数和(自身を除く): 10697920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 4861, 9722, 19444, 24305, 38888, 48610, 77776, 92359, 97220, 184718, 194440, 369436, 388880, 461795, 738872, 923590, 1477744, 1847180, 3694360, 7388720]

約数ペア:

[(1, 7388720), (2, 3694360), (4, 1847180), (5, 1477744), (8, 923590), (10, 738872), (16, 461795), (19, 388880), (20, 369436), (38, 194440), (40, 184718), (76, 97220), (80, 92359), (95, 77776), (152, 48610), (190, 38888), (304, 24305), (380, 19444), (760, 9722), (1520, 4861)]