659201660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{6199}}^1$

素因数の和:6630

約数の個数: 48

約数和(自身を含む): 1494696000

約数和(自身を除く): 835494340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 409, 818, 1636, 2045, 4090, 5317, 6199, 8180, 10634, 12398, 21268, 24796, 26585, 30995, 53170, 61990, 80587, 106340, 123980, 161174, 322348, 402935, 805870, 1611740, 2535391, 5070782, 10141564, 12676955, 25353910, 32960083, 50707820, 65920166, 131840332, 164800415, 329600830, 659201660]

約数ペア:

[(1, 659201660), (2, 329600830), (4, 164800415), (5, 131840332), (10, 65920166), (13, 50707820), (20, 32960083), (26, 25353910), (52, 12676955), (65, 10141564), (130, 5070782), (260, 2535391), (409, 1611740), (818, 805870), (1636, 402935), (2045, 322348), (4090, 161174), (5317, 123980), (6199, 106340), (8180, 80587), (10634, 61990), (12398, 53170), (21268, 30995), (24796, 26585)]