2016808180

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{349}}^1\times {\mathrm{2557}}^1$

素因数の和:3028

約数の個数: 48

約数和(自身を含む): 4286696400

約数和(自身を除く): 2269888220

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 349, 452, 565, 698, 1130, 1396, 1745, 2260, 2557, 3490, 5114, 6980, 10228, 12785, 25570, 39437, 51140, 78874, 157748, 197185, 288941, 394370, 577882, 788740, 892393, 1155764, 1444705, 1784786, 2889410, 3569572, 4461965, 5778820, 8923930, 17847860, 100840409, 201680818, 403361636, 504202045, 1008404090, 2016808180]

約数ペア:

[(1, 2016808180), (2, 1008404090), (4, 504202045), (5, 403361636), (10, 201680818), (20, 100840409), (113, 17847860), (226, 8923930), (349, 5778820), (452, 4461965), (565, 3569572), (698, 2889410), (1130, 1784786), (1396, 1444705), (1745, 1155764), (2260, 892393), (2557, 788740), (3490, 577882), (5114, 394370), (6980, 288941), (10228, 197185), (12785, 157748), (25570, 78874), (39437, 51140)]