42279640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{81307}}^1$

素因数の和:81331

約数の個数: 32

約数和(自身を含む): 102448080

約数和(自身を除く): 60168440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 81307, 162614, 325228, 406535, 650456, 813070, 1056991, 1626140, 2113982, 3252280, 4227964, 5284955, 8455928, 10569910, 21139820, 42279640]

約数ペア:

[(1, 42279640), (2, 21139820), (4, 10569910), (5, 8455928), (8, 5284955), (10, 4227964), (13, 3252280), (20, 2113982), (26, 1626140), (40, 1056991), (52, 813070), (65, 650456), (104, 406535), (130, 325228), (260, 162614), (520, 81307)]