2863640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5507}}^1$

素因数の和:5531

約数の個数: 32

約数和(自身を含む): 6940080

約数和(自身を除く): 4076440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 5507, 11014, 22028, 27535, 44056, 55070, 71591, 110140, 143182, 220280, 286364, 357955, 572728, 715910, 1431820, 2863640]

約数ペア:

[(1, 2863640), (2, 1431820), (4, 715910), (5, 572728), (8, 357955), (10, 286364), (13, 220280), (20, 143182), (26, 110140), (40, 71591), (52, 55070), (65, 44056), (104, 27535), (130, 22028), (260, 11014), (520, 5507)]