55104080

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{8719}}^1$

素因数の和:8811

約数の個数: 40

約数和(自身を含む): 129753600

約数和(自身を除く): 74649520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 8719, 17438, 34876, 43595, 69752, 87190, 139504, 174380, 348760, 688801, 697520, 1377602, 2755204, 3444005, 5510408, 6888010, 11020816, 13776020, 27552040, 55104080]

約数ペア:

[(1, 55104080), (2, 27552040), (4, 13776020), (5, 11020816), (8, 6888010), (10, 5510408), (16, 3444005), (20, 2755204), (40, 1377602), (79, 697520), (80, 688801), (158, 348760), (316, 174380), (395, 139504), (632, 87190), (790, 69752), (1264, 43595), (1580, 34876), (3160, 17438), (6320, 8719)]