51837890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{677}}^1$

素因数の和:747

約数の個数: 64

約数和(自身を含む): 109347840

約数和(自身を除く): 57509950

約数列:

[1, 2, 5, 10, 13, 19, 26, 31, 38, 62, 65, 95, 130, 155, 190, 247, 310, 403, 494, 589, 677, 806, 1178, 1235, 1354, 2015, 2470, 2945, 3385, 4030, 5890, 6770, 7657, 8801, 12863, 15314, 17602, 20987, 25726, 38285, 41974, 44005, 64315, 76570, 88010, 104935, 128630, 167219, 209870, 272831, 334438, 398753, 545662, 797506, 836095, 1364155, 1672190, 1993765, 2728310, 3987530, 5183789, 10367578, 25918945, 51837890]

約数ペア:

[(1, 51837890), (2, 25918945), (5, 10367578), (10, 5183789), (13, 3987530), (19, 2728310), (26, 1993765), (31, 1672190), (38, 1364155), (62, 836095), (65, 797506), (95, 545662), (130, 398753), (155, 334438), (190, 272831), (247, 209870), (310, 167219), (403, 128630), (494, 104935), (589, 88010), (677, 76570), (806, 64315), (1178, 44005), (1235, 41974), (1354, 38285), (2015, 25726), (2470, 20987), (2945, 17602), (3385, 15314), (4030, 12863), (5890, 8801), (6770, 7657)]