72985520

素因数分解:

$2^4\times 5^1\times {\mathrm{461}}^1\times {\mathrm{1979}}^1$

素因数の和:2453

約数の個数: 40

約数和(自身を含む): 170145360

約数和(自身を除く): 97159840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 461, 922, 1844, 1979, 2305, 3688, 3958, 4610, 7376, 7916, 9220, 9895, 15832, 18440, 19790, 31664, 36880, 39580, 79160, 158320, 912319, 1824638, 3649276, 4561595, 7298552, 9123190, 14597104, 18246380, 36492760, 72985520]

約数ペア:

[(1, 72985520), (2, 36492760), (4, 18246380), (5, 14597104), (8, 9123190), (10, 7298552), (16, 4561595), (20, 3649276), (40, 1824638), (80, 912319), (461, 158320), (922, 79160), (1844, 39580), (1979, 36880), (2305, 31664), (3688, 19790), (3958, 18440), (4610, 15832), (7376, 9895), (7916, 9220)]