1292613520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{50651}}^1$

素因数の和:50704

約数の個数: 80

約数和(自身を含む): 3391657920

約数和(自身を除く): 2099044400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 40, 44, 55, 58, 80, 88, 110, 116, 145, 176, 220, 232, 290, 319, 440, 464, 580, 638, 880, 1160, 1276, 1595, 2320, 2552, 3190, 5104, 6380, 12760, 25520, 50651, 101302, 202604, 253255, 405208, 506510, 557161, 810416, 1013020, 1114322, 1468879, 2026040, 2228644, 2785805, 2937758, 4052080, 4457288, 5571610, 5875516, 7344395, 8914576, 11143220, 11751032, 14688790, 16157669, 22286440, 23502064, 29377580, 32315338, 44572880, 58755160, 64630676, 80788345, 117510320, 129261352, 161576690, 258522704, 323153380, 646306760, 1292613520]

約数ペア:

[(1, 1292613520), (2, 646306760), (4, 323153380), (5, 258522704), (8, 161576690), (10, 129261352), (11, 117510320), (16, 80788345), (20, 64630676), (22, 58755160), (29, 44572880), (40, 32315338), (44, 29377580), (55, 23502064), (58, 22286440), (80, 16157669), (88, 14688790), (110, 11751032), (116, 11143220), (145, 8914576), (176, 7344395), (220, 5875516), (232, 5571610), (290, 4457288), (319, 4052080), (440, 2937758), (464, 2785805), (580, 2228644), (638, 2026040), (880, 1468879), (1160, 1114322), (1276, 1013020), (1595, 810416), (2320, 557161), (2552, 506510), (3190, 405208), (5104, 253255), (6380, 202604), (12760, 101302), (25520, 50651)]