2132726978840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{20188631}}^1$

素因数の和:20188800

約数の個数: 64

約数和(自身を含む): 5087535264000

約数和(自身を除く): 2954808285160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 139, 152, 190, 278, 380, 556, 695, 760, 1112, 1390, 2641, 2780, 5282, 5560, 10564, 13205, 21128, 26410, 52820, 105640, 20188631, 40377262, 80754524, 100943155, 161509048, 201886310, 383583989, 403772620, 767167978, 807545240, 1534335956, 1917919945, 2806219709, 3068671912, 3835839890, 5612439418, 7671679780, 11224878836, 14031098545, 15343359560, 22449757672, 28062197090, 53318174471, 56124394180, 106636348942, 112248788360, 213272697884, 266590872355, 426545395768, 533181744710, 1066363489420, 2132726978840]

約数ペア:

[(1, 2132726978840), (2, 1066363489420), (4, 533181744710), (5, 426545395768), (8, 266590872355), (10, 213272697884), (19, 112248788360), (20, 106636348942), (38, 56124394180), (40, 53318174471), (76, 28062197090), (95, 22449757672), (139, 15343359560), (152, 14031098545), (190, 11224878836), (278, 7671679780), (380, 5612439418), (556, 3835839890), (695, 3068671912), (760, 2806219709), (1112, 1917919945), (1390, 1534335956), (2641, 807545240), (2780, 767167978), (5282, 403772620), (5560, 383583989), (10564, 201886310), (13205, 161509048), (21128, 100943155), (26410, 80754524), (52820, 40377262), (105640, 20188631)]