55209560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{733}}^1$

素因数の和:1020

約数の個数: 64

約数和(自身を含む): 142689600

約数和(自身を除く): 87480040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 269, 280, 538, 733, 1076, 1345, 1466, 1883, 2152, 2690, 2932, 3665, 3766, 5131, 5380, 5864, 7330, 7532, 9415, 10262, 10760, 14660, 15064, 18830, 20524, 25655, 29320, 37660, 41048, 51310, 75320, 102620, 197177, 205240, 394354, 788708, 985885, 1380239, 1577416, 1971770, 2760478, 3943540, 5520956, 6901195, 7887080, 11041912, 13802390, 27604780, 55209560]

約数ペア:

[(1, 55209560), (2, 27604780), (4, 13802390), (5, 11041912), (7, 7887080), (8, 6901195), (10, 5520956), (14, 3943540), (20, 2760478), (28, 1971770), (35, 1577416), (40, 1380239), (56, 985885), (70, 788708), (140, 394354), (269, 205240), (280, 197177), (538, 102620), (733, 75320), (1076, 51310), (1345, 41048), (1466, 37660), (1883, 29320), (2152, 25655), (2690, 20524), (2932, 18830), (3665, 15064), (3766, 14660), (5131, 10760), (5380, 10262), (5864, 9415), (7330, 7532)]