225365660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{27961}}^1$

素因数の和:28014

約数の個数: 48

約数和(自身を含む): 526132992

約数和(自身を除く): 300767332

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 27961, 55922, 111844, 139805, 279610, 363493, 559220, 726986, 866791, 1453972, 1733582, 1817465, 3467164, 3634930, 4333955, 7269860, 8667910, 11268283, 17335820, 22536566, 45073132, 56341415, 112682830, 225365660]

約数ペア:

[(1, 225365660), (2, 112682830), (4, 56341415), (5, 45073132), (10, 22536566), (13, 17335820), (20, 11268283), (26, 8667910), (31, 7269860), (52, 4333955), (62, 3634930), (65, 3467164), (124, 1817465), (130, 1733582), (155, 1453972), (260, 866791), (310, 726986), (403, 559220), (620, 363493), (806, 279610), (1612, 139805), (2015, 111844), (4030, 55922), (8060, 27961)]