23321740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4721}}^1$

素因数の和:4762

約数の個数: 48

約数和(自身を含む): 55530720

約数和(自身を除く): 32208980

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4721, 4940, 9442, 18884, 23605, 47210, 61373, 89699, 94420, 122746, 179398, 245492, 306865, 358796, 448495, 613730, 896990, 1166087, 1227460, 1793980, 2332174, 4664348, 5830435, 11660870, 23321740]

約数ペア:

[(1, 23321740), (2, 11660870), (4, 5830435), (5, 4664348), (10, 2332174), (13, 1793980), (19, 1227460), (20, 1166087), (26, 896990), (38, 613730), (52, 448495), (65, 358796), (76, 306865), (95, 245492), (130, 179398), (190, 122746), (247, 94420), (260, 89699), (380, 61373), (494, 47210), (988, 23605), (1235, 18884), (2470, 9442), (4721, 4940)]