25354940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{863}}^1$

素因数の和:998

約数の個数: 48

約数和(自身を含む): 57915648

約数和(自身を除く): 32560708

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 113, 130, 226, 260, 452, 565, 863, 1130, 1469, 1726, 2260, 2938, 3452, 4315, 5876, 7345, 8630, 11219, 14690, 17260, 22438, 29380, 44876, 56095, 97519, 112190, 195038, 224380, 390076, 487595, 975190, 1267747, 1950380, 2535494, 5070988, 6338735, 12677470, 25354940]

約数ペア:

[(1, 25354940), (2, 12677470), (4, 6338735), (5, 5070988), (10, 2535494), (13, 1950380), (20, 1267747), (26, 975190), (52, 487595), (65, 390076), (113, 224380), (130, 195038), (226, 112190), (260, 97519), (452, 56095), (565, 44876), (863, 29380), (1130, 22438), (1469, 17260), (1726, 14690), (2260, 11219), (2938, 8630), (3452, 7345), (4315, 5876)]