805210220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{10739}}^1$

素因数の和:10934

約数の個数: 48

約数和(自身を含む): 1775450880

約数和(自身を除く): 970240660

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 163, 230, 326, 460, 652, 815, 1630, 3260, 3749, 7498, 10739, 14996, 18745, 21478, 37490, 42956, 53695, 74980, 107390, 214780, 246997, 493994, 987988, 1234985, 1750457, 2469970, 3500914, 4939940, 7001828, 8752285, 17504570, 35009140, 40260511, 80521022, 161042044, 201302555, 402605110, 805210220]

約数ペア:

[(1, 805210220), (2, 402605110), (4, 201302555), (5, 161042044), (10, 80521022), (20, 40260511), (23, 35009140), (46, 17504570), (92, 8752285), (115, 7001828), (163, 4939940), (230, 3500914), (326, 2469970), (460, 1750457), (652, 1234985), (815, 987988), (1630, 493994), (3260, 246997), (3749, 214780), (7498, 107390), (10739, 74980), (14996, 53695), (18745, 42956), (21478, 37490)]