90209860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{346961}}^1$

素因数の和:346983

約数の個数: 24

約数和(自身を含む): 204013656

約数和(自身を除く): 113803796

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 346961, 693922, 1387844, 1734805, 3469610, 4510493, 6939220, 9020986, 18041972, 22552465, 45104930, 90209860]

約数ペア:

[(1, 90209860), (2, 45104930), (4, 22552465), (5, 18041972), (10, 9020986), (13, 6939220), (20, 4510493), (26, 3469610), (52, 1734805), (65, 1387844), (130, 693922), (260, 346961)]