28335320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1879}}^1$

素因数の和:1932

約数の個数: 64

約数和(自身を含む): 71064000

約数和(自身を除く): 42728680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 40, 52, 58, 65, 104, 116, 130, 145, 232, 260, 290, 377, 520, 580, 754, 1160, 1508, 1879, 1885, 3016, 3758, 3770, 7516, 7540, 9395, 15032, 15080, 18790, 24427, 37580, 48854, 54491, 75160, 97708, 108982, 122135, 195416, 217964, 244270, 272455, 435928, 488540, 544910, 708383, 977080, 1089820, 1416766, 2179640, 2833532, 3541915, 5667064, 7083830, 14167660, 28335320]

約数ペア:

[(1, 28335320), (2, 14167660), (4, 7083830), (5, 5667064), (8, 3541915), (10, 2833532), (13, 2179640), (20, 1416766), (26, 1089820), (29, 977080), (40, 708383), (52, 544910), (58, 488540), (65, 435928), (104, 272455), (116, 244270), (130, 217964), (145, 195416), (232, 122135), (260, 108982), (290, 97708), (377, 75160), (520, 54491), (580, 48854), (754, 37580), (1160, 24427), (1508, 18790), (1879, 15080), (1885, 15032), (3016, 9395), (3758, 7540), (3770, 7516)]