4261840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{167}}^1$

素因数の和:220

約数の個数: 80

約数和(自身を含む): 11249280

約数和(自身を除く): 6987440

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 40, 44, 55, 58, 80, 88, 110, 116, 145, 167, 176, 220, 232, 290, 319, 334, 440, 464, 580, 638, 668, 835, 880, 1160, 1276, 1336, 1595, 1670, 1837, 2320, 2552, 2672, 3190, 3340, 3674, 4843, 5104, 6380, 6680, 7348, 9185, 9686, 12760, 13360, 14696, 18370, 19372, 24215, 25520, 29392, 36740, 38744, 48430, 53273, 73480, 77488, 96860, 106546, 146960, 193720, 213092, 266365, 387440, 426184, 532730, 852368, 1065460, 2130920, 4261840]

約数ペア:

[(1, 4261840), (2, 2130920), (4, 1065460), (5, 852368), (8, 532730), (10, 426184), (11, 387440), (16, 266365), (20, 213092), (22, 193720), (29, 146960), (40, 106546), (44, 96860), (55, 77488), (58, 73480), (80, 53273), (88, 48430), (110, 38744), (116, 36740), (145, 29392), (167, 25520), (176, 24215), (220, 19372), (232, 18370), (290, 14696), (319, 13360), (334, 12760), (440, 9686), (464, 9185), (580, 7348), (638, 6680), (668, 6380), (835, 5104), (880, 4843), (1160, 3674), (1276, 3340), (1336, 3190), (1595, 2672), (1670, 2552), (1837, 2320)]