42566420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{3089}}^1$

素因数の和:3164

約数の個数: 48

約数和(自身を含む): 98113680

約数和(自身を除く): 55547260

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 530, 689, 1060, 1378, 2756, 3089, 3445, 6178, 6890, 12356, 13780, 15445, 30890, 40157, 61780, 80314, 160628, 163717, 200785, 327434, 401570, 654868, 803140, 818585, 1637170, 2128321, 3274340, 4256642, 8513284, 10641605, 21283210, 42566420]

約数ペア:

[(1, 42566420), (2, 21283210), (4, 10641605), (5, 8513284), (10, 4256642), (13, 3274340), (20, 2128321), (26, 1637170), (52, 818585), (53, 803140), (65, 654868), (106, 401570), (130, 327434), (212, 200785), (260, 163717), (265, 160628), (530, 80314), (689, 61780), (1060, 40157), (1378, 30890), (2756, 15445), (3089, 13780), (3445, 12356), (6178, 6890)]