132801640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{887}}^1$

素因数の和:1114

約数の個数: 64

約数和(自身を含む): 316483200

約数和(自身を除く): 183681560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 197, 380, 394, 760, 788, 887, 985, 1576, 1774, 1970, 3548, 3743, 3940, 4435, 7096, 7486, 7880, 8870, 14972, 16853, 17740, 18715, 29944, 33706, 35480, 37430, 67412, 74860, 84265, 134824, 149720, 168530, 174739, 337060, 349478, 674120, 698956, 873695, 1397912, 1747390, 3320041, 3494780, 6640082, 6989560, 13280164, 16600205, 26560328, 33200410, 66400820, 132801640]

約数ペア:

[(1, 132801640), (2, 66400820), (4, 33200410), (5, 26560328), (8, 16600205), (10, 13280164), (19, 6989560), (20, 6640082), (38, 3494780), (40, 3320041), (76, 1747390), (95, 1397912), (152, 873695), (190, 698956), (197, 674120), (380, 349478), (394, 337060), (760, 174739), (788, 168530), (887, 149720), (985, 134824), (1576, 84265), (1774, 74860), (1970, 67412), (3548, 37430), (3743, 35480), (3940, 33706), (4435, 29944), (7096, 18715), (7486, 17740), (7880, 16853), (8870, 14972)]