65018960

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{11447}}^1$

素因数の和:11531

約数の個数: 40

約数和(自身を含む): 153311616

約数和(自身を除く): 88292656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 11447, 22894, 45788, 57235, 91576, 114470, 183152, 228940, 457880, 812737, 915760, 1625474, 3250948, 4063685, 6501896, 8127370, 13003792, 16254740, 32509480, 65018960]

約数ペア:

[(1, 65018960), (2, 32509480), (4, 16254740), (5, 13003792), (8, 8127370), (10, 6501896), (16, 4063685), (20, 3250948), (40, 1625474), (71, 915760), (80, 812737), (142, 457880), (284, 228940), (355, 183152), (568, 114470), (710, 91576), (1136, 57235), (1420, 45788), (2840, 22894), (5680, 11447)]