858703880

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{405049}}^1$

素因数の和:405113

約数の個数: 32

約数和(自身を含む): 1968543000

約数和(自身を除く): 1109839120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 405049, 810098, 1620196, 2025245, 3240392, 4050490, 8100980, 16201960, 21467597, 42935194, 85870388, 107337985, 171740776, 214675970, 429351940, 858703880]

約数ペア:

[(1, 858703880), (2, 429351940), (4, 214675970), (5, 171740776), (8, 107337985), (10, 85870388), (20, 42935194), (40, 21467597), (53, 16201960), (106, 8100980), (212, 4050490), (265, 3240392), (424, 2025245), (530, 1620196), (1060, 810098), (2120, 405049)]