201628180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{12713}}^1$

素因数の和:12796

約数の個数: 48

約数和(自身を含む): 463501584

約数和(自身を除く): 261873404

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 244, 260, 305, 610, 793, 1220, 1586, 3172, 3965, 7930, 12713, 15860, 25426, 50852, 63565, 127130, 165269, 254260, 330538, 661076, 775493, 826345, 1550986, 1652690, 3101972, 3305380, 3877465, 7754930, 10081409, 15509860, 20162818, 40325636, 50407045, 100814090, 201628180]

約数ペア:

[(1, 201628180), (2, 100814090), (4, 50407045), (5, 40325636), (10, 20162818), (13, 15509860), (20, 10081409), (26, 7754930), (52, 3877465), (61, 3305380), (65, 3101972), (122, 1652690), (130, 1550986), (244, 826345), (260, 775493), (305, 661076), (610, 330538), (793, 254260), (1220, 165269), (1586, 127130), (3172, 63565), (3965, 50852), (7930, 25426), (12713, 15860)]