39780520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{677}}^1$

素因数の和:814

約数の個数: 64

約数和(自身を含む): 97387920

約数和(自身を除く): 57607400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 113, 130, 226, 260, 452, 520, 565, 677, 904, 1130, 1354, 1469, 2260, 2708, 2938, 3385, 4520, 5416, 5876, 6770, 7345, 8801, 11752, 13540, 14690, 17602, 27080, 29380, 35204, 44005, 58760, 70408, 76501, 88010, 153002, 176020, 306004, 352040, 382505, 612008, 765010, 994513, 1530020, 1989026, 3060040, 3978052, 4972565, 7956104, 9945130, 19890260, 39780520]

約数ペア:

[(1, 39780520), (2, 19890260), (4, 9945130), (5, 7956104), (8, 4972565), (10, 3978052), (13, 3060040), (20, 1989026), (26, 1530020), (40, 994513), (52, 765010), (65, 612008), (104, 382505), (113, 352040), (130, 306004), (226, 176020), (260, 153002), (452, 88010), (520, 76501), (565, 70408), (677, 58760), (904, 44005), (1130, 35204), (1354, 29380), (1469, 27080), (2260, 17602), (2708, 14690), (2938, 13540), (3385, 11752), (4520, 8801), (5416, 7345), (5876, 6770)]