28882360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{829}}^1$

素因数の和:920

約数の個数: 64

約数和(自身を含む): 71114400

約数和(自身を除く): 42232040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 67, 104, 130, 134, 260, 268, 335, 520, 536, 670, 829, 871, 1340, 1658, 1742, 2680, 3316, 3484, 4145, 4355, 6632, 6968, 8290, 8710, 10777, 16580, 17420, 21554, 33160, 34840, 43108, 53885, 55543, 86216, 107770, 111086, 215540, 222172, 277715, 431080, 444344, 555430, 722059, 1110860, 1444118, 2221720, 2888236, 3610295, 5776472, 7220590, 14441180, 28882360]

約数ペア:

[(1, 28882360), (2, 14441180), (4, 7220590), (5, 5776472), (8, 3610295), (10, 2888236), (13, 2221720), (20, 1444118), (26, 1110860), (40, 722059), (52, 555430), (65, 444344), (67, 431080), (104, 277715), (130, 222172), (134, 215540), (260, 111086), (268, 107770), (335, 86216), (520, 55543), (536, 53885), (670, 43108), (829, 34840), (871, 33160), (1340, 21554), (1658, 17420), (1742, 16580), (2680, 10777), (3316, 8710), (3484, 8290), (4145, 6968), (4355, 6632)]