78826540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{2683}}^1$

素因数の和:2818

約数の個数: 48

約数和(自身を含む): 179913888

約数和(自身を除く): 101087348

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 113, 130, 226, 260, 452, 565, 1130, 1469, 2260, 2683, 2938, 5366, 5876, 7345, 10732, 13415, 14690, 26830, 29380, 34879, 53660, 69758, 139516, 174395, 303179, 348790, 606358, 697580, 1212716, 1515895, 3031790, 3941327, 6063580, 7882654, 15765308, 19706635, 39413270, 78826540]

約数ペア:

[(1, 78826540), (2, 39413270), (4, 19706635), (5, 15765308), (10, 7882654), (13, 6063580), (20, 3941327), (26, 3031790), (52, 1515895), (65, 1212716), (113, 697580), (130, 606358), (226, 348790), (260, 303179), (452, 174395), (565, 139516), (1130, 69758), (1469, 53660), (2260, 34879), (2683, 29380), (2938, 26830), (5366, 14690), (5876, 13415), (7345, 10732)]