6520776860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1279}}^1\times {\mathrm{19609}}^1$

素因数の和:20910

約数の個数: 48

約数和(自身を含む): 14759270400

約数和(自身を除く): 8238493540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1279, 2558, 5116, 6395, 12790, 16627, 19609, 25580, 33254, 39218, 66508, 78436, 83135, 98045, 166270, 196090, 254917, 332540, 392180, 509834, 1019668, 1274585, 2549170, 5098340, 25079911, 50159822, 100319644, 125399555, 250799110, 326038843, 501598220, 652077686, 1304155372, 1630194215, 3260388430, 6520776860]

約数ペア:

[(1, 6520776860), (2, 3260388430), (4, 1630194215), (5, 1304155372), (10, 652077686), (13, 501598220), (20, 326038843), (26, 250799110), (52, 125399555), (65, 100319644), (130, 50159822), (260, 25079911), (1279, 5098340), (2558, 2549170), (5116, 1274585), (6395, 1019668), (12790, 509834), (16627, 392180), (19609, 332540), (25580, 254917), (33254, 196090), (39218, 166270), (66508, 98045), (78436, 83135)]