28846840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1237}}^1$

素因数の和:1312

約数の個数: 64

約数和(自身を含む): 72200160

約数和(自身を除く): 43353320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 53, 55, 88, 106, 110, 212, 220, 265, 424, 440, 530, 583, 1060, 1166, 1237, 2120, 2332, 2474, 2915, 4664, 4948, 5830, 6185, 9896, 11660, 12370, 13607, 23320, 24740, 27214, 49480, 54428, 65561, 68035, 108856, 131122, 136070, 262244, 272140, 327805, 524488, 544280, 655610, 721171, 1311220, 1442342, 2622440, 2884684, 3605855, 5769368, 7211710, 14423420, 28846840]

約数ペア:

[(1, 28846840), (2, 14423420), (4, 7211710), (5, 5769368), (8, 3605855), (10, 2884684), (11, 2622440), (20, 1442342), (22, 1311220), (40, 721171), (44, 655610), (53, 544280), (55, 524488), (88, 327805), (106, 272140), (110, 262244), (212, 136070), (220, 131122), (265, 108856), (424, 68035), (440, 65561), (530, 54428), (583, 49480), (1060, 27214), (1166, 24740), (1237, 23320), (2120, 13607), (2332, 12370), (2474, 11660), (2915, 9896), (4664, 6185), (4948, 5830)]