9081020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{659}}^1$

素因数の和:734

約数の個数: 48

約数和(自身を含む): 20956320

約数和(自身を除く): 11875300

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 530, 659, 689, 1060, 1318, 1378, 2636, 2756, 3295, 3445, 6590, 6890, 8567, 13180, 13780, 17134, 34268, 34927, 42835, 69854, 85670, 139708, 171340, 174635, 349270, 454051, 698540, 908102, 1816204, 2270255, 4540510, 9081020]

約数ペア:

[(1, 9081020), (2, 4540510), (4, 2270255), (5, 1816204), (10, 908102), (13, 698540), (20, 454051), (26, 349270), (52, 174635), (53, 171340), (65, 139708), (106, 85670), (130, 69854), (212, 42835), (260, 34927), (265, 34268), (530, 17134), (659, 13780), (689, 13180), (1060, 8567), (1318, 6890), (1378, 6590), (2636, 3445), (2756, 3295)]