56275540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{653}}^1$

素因数の和:832

約数の個数: 48

約数和(自身を含む): 123056640

約数和(自身を除く): 66781100

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 139, 155, 278, 310, 556, 620, 653, 695, 1306, 1390, 2612, 2780, 3265, 4309, 6530, 8618, 13060, 17236, 20243, 21545, 40486, 43090, 80972, 86180, 90767, 101215, 181534, 202430, 363068, 404860, 453835, 907670, 1815340, 2813777, 5627554, 11255108, 14068885, 28137770, 56275540]

約数ペア:

[(1, 56275540), (2, 28137770), (4, 14068885), (5, 11255108), (10, 5627554), (20, 2813777), (31, 1815340), (62, 907670), (124, 453835), (139, 404860), (155, 363068), (278, 202430), (310, 181534), (556, 101215), (620, 90767), (653, 86180), (695, 80972), (1306, 43090), (1390, 40486), (2612, 21545), (2780, 20243), (3265, 17236), (4309, 13060), (6530, 8618)]