56373980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{4091}}^1$

素因数の和:4166

約数の個数: 48

約数和(自身を含む): 129929184

約数和(自身を除く): 73555204

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 530, 689, 1060, 1378, 2756, 3445, 4091, 6890, 8182, 13780, 16364, 20455, 40910, 53183, 81820, 106366, 212732, 216823, 265915, 433646, 531830, 867292, 1063660, 1084115, 2168230, 2818699, 4336460, 5637398, 11274796, 14093495, 28186990, 56373980]

約数ペア:

[(1, 56373980), (2, 28186990), (4, 14093495), (5, 11274796), (10, 5637398), (13, 4336460), (20, 2818699), (26, 2168230), (52, 1084115), (53, 1063660), (65, 867292), (106, 531830), (130, 433646), (212, 265915), (260, 216823), (265, 212732), (530, 106366), (689, 81820), (1060, 53183), (1378, 40910), (2756, 20455), (3445, 16364), (4091, 13780), (6890, 8182)]