2080302920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{179957}}^1$

素因数の和:180002

約数の個数: 48

約数和(自身を含む): 4972239540

約数和(自身を除く): 2891936620

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 289, 340, 578, 680, 1156, 1445, 2312, 2890, 5780, 11560, 179957, 359914, 719828, 899785, 1439656, 1799570, 3059269, 3599140, 6118538, 7198280, 12237076, 15296345, 24474152, 30592690, 52007573, 61185380, 104015146, 122370760, 208030292, 260037865, 416060584, 520075730, 1040151460, 2080302920]

約数ペア:

[(1, 2080302920), (2, 1040151460), (4, 520075730), (5, 416060584), (8, 260037865), (10, 208030292), (17, 122370760), (20, 104015146), (34, 61185380), (40, 52007573), (68, 30592690), (85, 24474152), (136, 15296345), (170, 12237076), (289, 7198280), (340, 6118538), (578, 3599140), (680, 3059269), (1156, 1799570), (1445, 1439656), (2312, 899785), (2890, 719828), (5780, 359914), (11560, 179957)]