7930520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{151}}^1$

素因数の和:276

約数の個数: 64

約数和(自身を含む): 19535040

約数和(自身を除く): 11604520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 101, 104, 130, 151, 202, 260, 302, 404, 505, 520, 604, 755, 808, 1010, 1208, 1313, 1510, 1963, 2020, 2626, 3020, 3926, 4040, 5252, 6040, 6565, 7852, 9815, 10504, 13130, 15251, 15704, 19630, 26260, 30502, 39260, 52520, 61004, 76255, 78520, 122008, 152510, 198263, 305020, 396526, 610040, 793052, 991315, 1586104, 1982630, 3965260, 7930520]

約数ペア:

[(1, 7930520), (2, 3965260), (4, 1982630), (5, 1586104), (8, 991315), (10, 793052), (13, 610040), (20, 396526), (26, 305020), (40, 198263), (52, 152510), (65, 122008), (101, 78520), (104, 76255), (130, 61004), (151, 52520), (202, 39260), (260, 30502), (302, 26260), (404, 19630), (505, 15704), (520, 15251), (604, 13130), (755, 10504), (808, 9815), (1010, 7852), (1208, 6565), (1313, 6040), (1510, 5252), (1963, 4040), (2020, 3926), (2626, 3020)]