145789480

素因数分解:

$2^3\times 5^1\times {\mathrm{859}}^1\times {\mathrm{4243}}^1$

素因数の和:5113

約数の個数: 32

約数和(自身を含む): 328485600

約数和(自身を除く): 182696120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 859, 1718, 3436, 4243, 4295, 6872, 8486, 8590, 16972, 17180, 21215, 33944, 34360, 42430, 84860, 169720, 3644737, 7289474, 14578948, 18223685, 29157896, 36447370, 72894740, 145789480]

約数ペア:

[(1, 145789480), (2, 72894740), (4, 36447370), (5, 29157896), (8, 18223685), (10, 14578948), (20, 7289474), (40, 3644737), (859, 169720), (1718, 84860), (3436, 42430), (4243, 34360), (4295, 33944), (6872, 21215), (8486, 17180), (8590, 16972)]