28271240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37199}}^1$

素因数の和:37229

約数の個数: 32

約数和(自身を含む): 66960000

約数和(自身を除く): 38688760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 37199, 74398, 148796, 185995, 297592, 371990, 706781, 743980, 1413562, 1487960, 2827124, 3533905, 5654248, 7067810, 14135620, 28271240]

約数ペア:

[(1, 28271240), (2, 14135620), (4, 7067810), (5, 5654248), (8, 3533905), (10, 2827124), (19, 1487960), (20, 1413562), (38, 743980), (40, 706781), (76, 371990), (95, 297592), (152, 185995), (190, 148796), (380, 74398), (760, 37199)]