45128180

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1\times {\mathrm{163}}^1$

素因数の和:408

約数の個数: 48

約数和(自身を含む): 96983040

約数和(自身を除く): 51854860

約数列:

[1, 2, 4, 5, 10, 20, 109, 127, 163, 218, 254, 326, 436, 508, 545, 635, 652, 815, 1090, 1270, 1630, 2180, 2540, 3260, 13843, 17767, 20701, 27686, 35534, 41402, 55372, 69215, 71068, 82804, 88835, 103505, 138430, 177670, 207010, 276860, 355340, 414020, 2256409, 4512818, 9025636, 11282045, 22564090, 45128180]

約数ペア:

[(1, 45128180), (2, 22564090), (4, 11282045), (5, 9025636), (10, 4512818), (20, 2256409), (109, 414020), (127, 355340), (163, 276860), (218, 207010), (254, 177670), (326, 138430), (436, 103505), (508, 88835), (545, 82804), (635, 71068), (652, 69215), (815, 55372), (1090, 41402), (1270, 35534), (1630, 27686), (2180, 20701), (2540, 17767), (3260, 13843)]