28418720

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{241}}^1$

素因数の和:334

約数の個数: 96

約数和(自身を含む): 74644416

約数和(自身を除く): 46225696

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 67, 80, 88, 110, 134, 160, 176, 220, 241, 268, 335, 352, 440, 482, 536, 670, 737, 880, 964, 1072, 1205, 1340, 1474, 1760, 1928, 2144, 2410, 2651, 2680, 2948, 3685, 3856, 4820, 5302, 5360, 5896, 7370, 7712, 9640, 10604, 10720, 11792, 13255, 14740, 16147, 19280, 21208, 23584, 26510, 29480, 32294, 38560, 42416, 53020, 58960, 64588, 80735, 84832, 106040, 117920, 129176, 161470, 177617, 212080, 258352, 322940, 355234, 424160, 516704, 645880, 710468, 888085, 1291760, 1420936, 1776170, 2583520, 2841872, 3552340, 5683744, 7104680, 14209360, 28418720]

約数ペア:

[(1, 28418720), (2, 14209360), (4, 7104680), (5, 5683744), (8, 3552340), (10, 2841872), (11, 2583520), (16, 1776170), (20, 1420936), (22, 1291760), (32, 888085), (40, 710468), (44, 645880), (55, 516704), (67, 424160), (80, 355234), (88, 322940), (110, 258352), (134, 212080), (160, 177617), (176, 161470), (220, 129176), (241, 117920), (268, 106040), (335, 84832), (352, 80735), (440, 64588), (482, 58960), (536, 53020), (670, 42416), (737, 38560), (880, 32294), (964, 29480), (1072, 26510), (1205, 23584), (1340, 21208), (1474, 19280), (1760, 16147), (1928, 14740), (2144, 13255), (2410, 11792), (2651, 10720), (2680, 10604), (2948, 9640), (3685, 7712), (3856, 7370), (4820, 5896), (5302, 5360)]