520080440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{3571}}^1$

素因数の和:3924

約数の個数: 64

約数和(自身を含む): 1280776320

約数和(自身を除く): 760695880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 331, 440, 662, 1324, 1655, 2648, 3310, 3571, 3641, 6620, 7142, 7282, 13240, 14284, 14564, 17855, 18205, 28568, 29128, 35710, 36410, 39281, 71420, 72820, 78562, 142840, 145640, 157124, 196405, 314248, 392810, 785620, 1182001, 1571240, 2364002, 4728004, 5910005, 9456008, 11820010, 13002011, 23640020, 26004022, 47280040, 52008044, 65010055, 104016088, 130020110, 260040220, 520080440]

約数ペア:

[(1, 520080440), (2, 260040220), (4, 130020110), (5, 104016088), (8, 65010055), (10, 52008044), (11, 47280040), (20, 26004022), (22, 23640020), (40, 13002011), (44, 11820010), (55, 9456008), (88, 5910005), (110, 4728004), (220, 2364002), (331, 1571240), (440, 1182001), (662, 785620), (1324, 392810), (1655, 314248), (2648, 196405), (3310, 157124), (3571, 145640), (3641, 142840), (6620, 78562), (7142, 72820), (7282, 71420), (13240, 39281), (14284, 36410), (14564, 35710), (17855, 29128), (18205, 28568)]