218148080

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{160403}}^1$

素因数の和:160433

約数の個数: 40

約数和(自身を含む): 537032592

約数和(自身を除く): 318884512

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 160403, 320806, 641612, 802015, 1283224, 1604030, 2566448, 2726851, 3208060, 5453702, 6416120, 10907404, 12832240, 13634255, 21814808, 27268510, 43629616, 54537020, 109074040, 218148080]

約数ペア:

[(1, 218148080), (2, 109074040), (4, 54537020), (5, 43629616), (8, 27268510), (10, 21814808), (16, 13634255), (17, 12832240), (20, 10907404), (34, 6416120), (40, 5453702), (68, 3208060), (80, 2726851), (85, 2566448), (136, 1604030), (170, 1283224), (272, 802015), (340, 641612), (680, 320806), (1360, 160403)]