39404628520

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{367}}^1\times {\mathrm{72547}}^1$

素因数の和:72962

約数の個数: 64

約数和(自身を含む): 91306010880

約数和(自身を除く): 51901382360

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 367, 370, 734, 740, 1468, 1480, 1835, 2936, 3670, 7340, 13579, 14680, 27158, 54316, 67895, 72547, 108632, 135790, 145094, 271580, 290188, 362735, 543160, 580376, 725470, 1450940, 2684239, 2901880, 5368478, 10736956, 13421195, 21473912, 26624749, 26842390, 53249498, 53684780, 106498996, 107369560, 133123745, 212997992, 266247490, 532494980, 985115713, 1064989960, 1970231426, 3940462852, 4925578565, 7880925704, 9851157130, 19702314260, 39404628520]

約数ペア:

[(1, 39404628520), (2, 19702314260), (4, 9851157130), (5, 7880925704), (8, 4925578565), (10, 3940462852), (20, 1970231426), (37, 1064989960), (40, 985115713), (74, 532494980), (148, 266247490), (185, 212997992), (296, 133123745), (367, 107369560), (370, 106498996), (734, 53684780), (740, 53249498), (1468, 26842390), (1480, 26624749), (1835, 21473912), (2936, 13421195), (3670, 10736956), (7340, 5368478), (13579, 2901880), (14680, 2684239), (27158, 1450940), (54316, 725470), (67895, 580376), (72547, 543160), (108632, 362735), (135790, 290188), (145094, 271580)]