220138960

素因数分解:

$2^4\times 5^1\times {\mathrm{191}}^1\times {\mathrm{14407}}^1$

素因数の和:14611

約数の個数: 40

約数和(自身を含む): 514538496

約数和(自身を除く): 294399536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 191, 382, 764, 955, 1528, 1910, 3056, 3820, 7640, 14407, 15280, 28814, 57628, 72035, 115256, 144070, 230512, 288140, 576280, 1152560, 2751737, 5503474, 11006948, 13758685, 22013896, 27517370, 44027792, 55034740, 110069480, 220138960]

約数ペア:

[(1, 220138960), (2, 110069480), (4, 55034740), (5, 44027792), (8, 27517370), (10, 22013896), (16, 13758685), (20, 11006948), (40, 5503474), (80, 2751737), (191, 1152560), (382, 576280), (764, 288140), (955, 230512), (1528, 144070), (1910, 115256), (3056, 72035), (3820, 57628), (7640, 28814), (14407, 15280)]