49765820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{691}}^1$

素因数の和:990

約数の個数: 48

約数和(自身を含む): 113117088

約数和(自身を除く): 63351268

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 277, 554, 691, 1108, 1382, 1385, 2764, 2770, 3455, 3601, 5540, 6910, 7202, 8983, 13820, 14404, 17966, 18005, 35932, 36010, 44915, 72020, 89830, 179660, 191407, 382814, 765628, 957035, 1914070, 2488291, 3828140, 4976582, 9953164, 12441455, 24882910, 49765820]

約数ペア:

[(1, 49765820), (2, 24882910), (4, 12441455), (5, 9953164), (10, 4976582), (13, 3828140), (20, 2488291), (26, 1914070), (52, 957035), (65, 765628), (130, 382814), (260, 191407), (277, 179660), (554, 89830), (691, 72020), (1108, 44915), (1382, 36010), (1385, 35932), (2764, 18005), (2770, 17966), (3455, 14404), (3601, 13820), (5540, 8983), (6910, 7202)]