163634480

素因数分解:

$2^4\times 5^1\times {\mathrm{641}}^1\times {\mathrm{3191}}^1$

素因数の和:3845

約数の個数: 40

約数和(自身を含む): 381163104

約数和(自身を除く): 217528624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 641, 1282, 2564, 3191, 3205, 5128, 6382, 6410, 10256, 12764, 12820, 15955, 25528, 25640, 31910, 51056, 51280, 63820, 127640, 255280, 2045431, 4090862, 8181724, 10227155, 16363448, 20454310, 32726896, 40908620, 81817240, 163634480]

約数ペア:

[(1, 163634480), (2, 81817240), (4, 40908620), (5, 32726896), (8, 20454310), (10, 16363448), (16, 10227155), (20, 8181724), (40, 4090862), (80, 2045431), (641, 255280), (1282, 127640), (2564, 63820), (3191, 51280), (3205, 51056), (5128, 31910), (6382, 25640), (6410, 25528), (10256, 15955), (12764, 12820)]