90556840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{743}}^1$

素因数の和:1042

約数の個数: 64

約数和(自身を含む): 223378560

約数和(自身を除く): 132821720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 277, 440, 554, 743, 1108, 1385, 1486, 2216, 2770, 2972, 3047, 3715, 5540, 5944, 6094, 7430, 8173, 11080, 12188, 14860, 15235, 16346, 24376, 29720, 30470, 32692, 40865, 60940, 65384, 81730, 121880, 163460, 205811, 326920, 411622, 823244, 1029055, 1646488, 2058110, 2263921, 4116220, 4527842, 8232440, 9055684, 11319605, 18111368, 22639210, 45278420, 90556840]

約数ペア:

[(1, 90556840), (2, 45278420), (4, 22639210), (5, 18111368), (8, 11319605), (10, 9055684), (11, 8232440), (20, 4527842), (22, 4116220), (40, 2263921), (44, 2058110), (55, 1646488), (88, 1029055), (110, 823244), (220, 411622), (277, 326920), (440, 205811), (554, 163460), (743, 121880), (1108, 81730), (1385, 65384), (1486, 60940), (2216, 40865), (2770, 32692), (2972, 30470), (3047, 29720), (3715, 24376), (5540, 16346), (5944, 15235), (6094, 14860), (7430, 12188), (8173, 11080)]