53798120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{997}}^1$

素因数の和:1098

約数の個数: 64

約数和(自身を含む): 129340800

約数和(自身を除く): 75542680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 71, 76, 95, 142, 152, 190, 284, 355, 380, 568, 710, 760, 997, 1349, 1420, 1994, 2698, 2840, 3988, 4985, 5396, 6745, 7976, 9970, 10792, 13490, 18943, 19940, 26980, 37886, 39880, 53960, 70787, 75772, 94715, 141574, 151544, 189430, 283148, 353935, 378860, 566296, 707870, 757720, 1344953, 1415740, 2689906, 2831480, 5379812, 6724765, 10759624, 13449530, 26899060, 53798120]

約数ペア:

[(1, 53798120), (2, 26899060), (4, 13449530), (5, 10759624), (8, 6724765), (10, 5379812), (19, 2831480), (20, 2689906), (38, 1415740), (40, 1344953), (71, 757720), (76, 707870), (95, 566296), (142, 378860), (152, 353935), (190, 283148), (284, 189430), (355, 151544), (380, 141574), (568, 94715), (710, 75772), (760, 70787), (997, 53960), (1349, 39880), (1420, 37886), (1994, 26980), (2698, 19940), (2840, 18943), (3988, 13490), (4985, 10792), (5396, 9970), (6745, 7976)]