128773580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{2221}}^1$

素因数の和:2466

約数の個数: 48

約数和(自身を含む): 292664064

約数和(自身を除く): 163890484

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 223, 260, 446, 892, 1115, 2221, 2230, 2899, 4442, 4460, 5798, 8884, 11105, 11596, 14495, 22210, 28873, 28990, 44420, 57746, 57980, 115492, 144365, 288730, 495283, 577460, 990566, 1981132, 2476415, 4952830, 6438679, 9905660, 12877358, 25754716, 32193395, 64386790, 128773580]

約数ペア:

[(1, 128773580), (2, 64386790), (4, 32193395), (5, 25754716), (10, 12877358), (13, 9905660), (20, 6438679), (26, 4952830), (52, 2476415), (65, 1981132), (130, 990566), (223, 577460), (260, 495283), (446, 288730), (892, 144365), (1115, 115492), (2221, 57980), (2230, 57746), (2899, 44420), (4442, 28990), (4460, 28873), (5798, 22210), (8884, 14495), (11105, 11596)]