28551740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{8867}}^1$

素因数の和:8906

約数の個数: 48

約数和(自身を含む): 71511552

約数和(自身を除く): 42959812

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 8867, 17734, 35468, 44335, 62069, 88670, 124138, 177340, 203941, 248276, 310345, 407882, 620690, 815764, 1019705, 1241380, 1427587, 2039410, 2855174, 4078820, 5710348, 7137935, 14275870, 28551740]

約数ペア:

[(1, 28551740), (2, 14275870), (4, 7137935), (5, 5710348), (7, 4078820), (10, 2855174), (14, 2039410), (20, 1427587), (23, 1241380), (28, 1019705), (35, 815764), (46, 620690), (70, 407882), (92, 310345), (115, 248276), (140, 203941), (161, 177340), (230, 124138), (322, 88670), (460, 62069), (644, 44335), (805, 35468), (1610, 17734), (3220, 8867)]