80775604

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^2\times {\mathrm{79}}^1$

素因数の和:209

約数の個数: 72

約数和(自身を含む): 179567360

約数和(自身を除く): 98791756

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 53, 79, 91, 106, 158, 182, 212, 316, 364, 371, 553, 689, 742, 1027, 1106, 1378, 1484, 2054, 2212, 2756, 2809, 4108, 4187, 4823, 5618, 7189, 8374, 9646, 11236, 14378, 16748, 19292, 19663, 28756, 29309, 36517, 39326, 54431, 58618, 73034, 78652, 108862, 117236, 146068, 217724, 221911, 255619, 381017, 443822, 511238, 762034, 887644, 1022476, 1524068, 1553377, 2884843, 3106754, 5769686, 6213508, 11539372, 20193901, 40387802, 80775604]

約数ペア:

[(1, 80775604), (2, 40387802), (4, 20193901), (7, 11539372), (13, 6213508), (14, 5769686), (26, 3106754), (28, 2884843), (52, 1553377), (53, 1524068), (79, 1022476), (91, 887644), (106, 762034), (158, 511238), (182, 443822), (212, 381017), (316, 255619), (364, 221911), (371, 217724), (553, 146068), (689, 117236), (742, 108862), (1027, 78652), (1106, 73034), (1378, 58618), (1484, 54431), (2054, 39326), (2212, 36517), (2756, 29309), (2809, 28756), (4108, 19663), (4187, 19292), (4823, 16748), (5618, 14378), (7189, 11236), (8374, 9646)]