55990480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7691}}^1$

素因数の和:7724

約数の個数: 80

約数和(自身を含む): 160239744

約数和(自身を除く): 104249264

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 7691, 15382, 30764, 38455, 53837, 61528, 76910, 99983, 107674, 123056, 153820, 199966, 215348, 269185, 307640, 399932, 430696, 499915, 538370, 615280, 699881, 799864, 861392, 999830, 1076740, 1399762, 1599728, 1999660, 2153480, 2799524, 3499405, 3999320, 4306960, 5599048, 6998810, 7998640, 11198096, 13997620, 27995240, 55990480]

約数ペア:

[(1, 55990480), (2, 27995240), (4, 13997620), (5, 11198096), (7, 7998640), (8, 6998810), (10, 5599048), (13, 4306960), (14, 3999320), (16, 3499405), (20, 2799524), (26, 2153480), (28, 1999660), (35, 1599728), (40, 1399762), (52, 1076740), (56, 999830), (65, 861392), (70, 799864), (80, 699881), (91, 615280), (104, 538370), (112, 499915), (130, 430696), (140, 399932), (182, 307640), (208, 269185), (260, 215348), (280, 199966), (364, 153820), (455, 123056), (520, 107674), (560, 99983), (728, 76910), (910, 61528), (1040, 53837), (1456, 38455), (1820, 30764), (3640, 15382), (7280, 7691)]