258965200

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{49801}}^1$

素因数の和:49832

約数の個数: 60

約数和(自身を含む): 670036108

約数和(自身を除く): 411070908

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2600, 5200, 49801, 99602, 199204, 249005, 398408, 498010, 647413, 796816, 996020, 1245025, 1294826, 1992040, 2490050, 2589652, 3237065, 3984080, 4980100, 5179304, 6474130, 9960200, 10358608, 12948260, 16185325, 19920400, 25896520, 32370650, 51793040, 64741300, 129482600, 258965200]

約数ペア:

[(1, 258965200), (2, 129482600), (4, 64741300), (5, 51793040), (8, 32370650), (10, 25896520), (13, 19920400), (16, 16185325), (20, 12948260), (25, 10358608), (26, 9960200), (40, 6474130), (50, 5179304), (52, 4980100), (65, 3984080), (80, 3237065), (100, 2589652), (104, 2490050), (130, 1992040), (200, 1294826), (208, 1245025), (260, 996020), (325, 796816), (400, 647413), (520, 498010), (650, 398408), (1040, 249005), (1300, 199204), (2600, 99602), (5200, 49801)]