1438867040

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{691763}}^1$

素因数の和:691791

約数の個数: 48

約数和(自身を含む): 3660815088

約数和(自身を除く): 2221948048

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 691763, 1383526, 2767052, 3458815, 5534104, 6917630, 8992919, 11068208, 13835260, 17985838, 22136416, 27670520, 35971676, 44964595, 55341040, 71943352, 89929190, 110682080, 143886704, 179858380, 287773408, 359716760, 719433520, 1438867040]

約数ペア:

[(1, 1438867040), (2, 719433520), (4, 359716760), (5, 287773408), (8, 179858380), (10, 143886704), (13, 110682080), (16, 89929190), (20, 71943352), (26, 55341040), (32, 44964595), (40, 35971676), (52, 27670520), (65, 22136416), (80, 17985838), (104, 13835260), (130, 11068208), (160, 8992919), (208, 6917630), (260, 5534104), (416, 3458815), (520, 2767052), (1040, 1383526), (2080, 691763)]