99278920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{190921}}^1$

素因数の和:190945

約数の個数: 32

約数和(自身を含む): 240561720

約数和(自身を除く): 141282800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 190921, 381842, 763684, 954605, 1527368, 1909210, 2481973, 3818420, 4963946, 7636840, 9927892, 12409865, 19855784, 24819730, 49639460, 99278920]

約数ペア:

[(1, 99278920), (2, 49639460), (4, 24819730), (5, 19855784), (8, 12409865), (10, 9927892), (13, 7636840), (20, 4963946), (26, 3818420), (40, 2481973), (52, 1909210), (65, 1527368), (104, 954605), (130, 763684), (260, 381842), (520, 190921)]