31285540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{10939}}^1$

素因数の和:10972

約数の個数: 48

約数和(自身を含む): 77192640

約数和(自身を除く): 45907100

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 10939, 21878, 43756, 54695, 109390, 120329, 142207, 218780, 240658, 284414, 481316, 568828, 601645, 711035, 1203290, 1422070, 1564277, 2406580, 2844140, 3128554, 6257108, 7821385, 15642770, 31285540]

約数ペア:

[(1, 31285540), (2, 15642770), (4, 7821385), (5, 6257108), (10, 3128554), (11, 2844140), (13, 2406580), (20, 1564277), (22, 1422070), (26, 1203290), (44, 711035), (52, 601645), (55, 568828), (65, 481316), (110, 284414), (130, 240658), (143, 218780), (220, 142207), (260, 120329), (286, 109390), (572, 54695), (715, 43756), (1430, 21878), (2860, 10939)]