204099640

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{1283}}^1$

素因数の和:1432

約数の個数: 64

約数和(自身を含む): 475644960

約数和(自身を除く): 271545320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 97, 164, 194, 205, 328, 388, 410, 485, 776, 820, 970, 1283, 1640, 1940, 2566, 3880, 3977, 5132, 6415, 7954, 10264, 12830, 15908, 19885, 25660, 31816, 39770, 51320, 52603, 79540, 105206, 124451, 159080, 210412, 248902, 263015, 420824, 497804, 526030, 622255, 995608, 1052060, 1244510, 2104120, 2489020, 4978040, 5102491, 10204982, 20409964, 25512455, 40819928, 51024910, 102049820, 204099640]

約数ペア:

[(1, 204099640), (2, 102049820), (4, 51024910), (5, 40819928), (8, 25512455), (10, 20409964), (20, 10204982), (40, 5102491), (41, 4978040), (82, 2489020), (97, 2104120), (164, 1244510), (194, 1052060), (205, 995608), (328, 622255), (388, 526030), (410, 497804), (485, 420824), (776, 263015), (820, 248902), (970, 210412), (1283, 159080), (1640, 124451), (1940, 105206), (2566, 79540), (3880, 52603), (3977, 51320), (5132, 39770), (6415, 31816), (7954, 25660), (10264, 19885), (12830, 15908)]