6645340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{419}}^1$

素因数の和:502

約数の個数: 48

約数和(自身を含む): 15311520

約数和(自身を除く): 8666180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 244, 260, 305, 419, 610, 793, 838, 1220, 1586, 1676, 2095, 3172, 3965, 4190, 5447, 7930, 8380, 10894, 15860, 21788, 25559, 27235, 51118, 54470, 102236, 108940, 127795, 255590, 332267, 511180, 664534, 1329068, 1661335, 3322670, 6645340]

約数ペア:

[(1, 6645340), (2, 3322670), (4, 1661335), (5, 1329068), (10, 664534), (13, 511180), (20, 332267), (26, 255590), (52, 127795), (61, 108940), (65, 102236), (122, 54470), (130, 51118), (244, 27235), (260, 25559), (305, 21788), (419, 15860), (610, 10894), (793, 8380), (838, 7930), (1220, 5447), (1586, 4190), (1676, 3965), (2095, 3172)]