85539560

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1993}}^1$

素因数の和:2070

約数の個数: 64

約数和(自身を含む): 204584400

約数和(自身を除く): 119044840

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 37, 40, 58, 74, 116, 145, 148, 185, 232, 290, 296, 370, 580, 740, 1073, 1160, 1480, 1993, 2146, 3986, 4292, 5365, 7972, 8584, 9965, 10730, 15944, 19930, 21460, 39860, 42920, 57797, 73741, 79720, 115594, 147482, 231188, 288985, 294964, 368705, 462376, 577970, 589928, 737410, 1155940, 1474820, 2138489, 2311880, 2949640, 4276978, 8553956, 10692445, 17107912, 21384890, 42769780, 85539560]

約数ペア:

[(1, 85539560), (2, 42769780), (4, 21384890), (5, 17107912), (8, 10692445), (10, 8553956), (20, 4276978), (29, 2949640), (37, 2311880), (40, 2138489), (58, 1474820), (74, 1155940), (116, 737410), (145, 589928), (148, 577970), (185, 462376), (232, 368705), (290, 294964), (296, 288985), (370, 231188), (580, 147482), (740, 115594), (1073, 79720), (1160, 73741), (1480, 57797), (1993, 42920), (2146, 39860), (3986, 21460), (4292, 19930), (5365, 15944), (7972, 10730), (8584, 9965)]