31779280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{30557}}^1$

素因数の和:30583

約数の個数: 40

約数和(自身を含む): 79573032

約数和(自身を除く): 47793752

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 30557, 61114, 122228, 152785, 244456, 305570, 397241, 488912, 611140, 794482, 1222280, 1588964, 1986205, 2444560, 3177928, 3972410, 6355856, 7944820, 15889640, 31779280]

約数ペア:

[(1, 31779280), (2, 15889640), (4, 7944820), (5, 6355856), (8, 3972410), (10, 3177928), (13, 2444560), (16, 1986205), (20, 1588964), (26, 1222280), (40, 794482), (52, 611140), (65, 488912), (80, 397241), (104, 305570), (130, 244456), (208, 152785), (260, 122228), (520, 61114), (1040, 30557)]