64545650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{499}}^1$

素因数の和:723

約数の個数: 48

約数和(自身を含む): 130200000

約数和(自身を除く): 65654350

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 199, 325, 398, 499, 650, 995, 998, 1990, 2495, 2587, 4975, 4990, 5174, 6487, 9950, 12475, 12935, 12974, 24950, 25870, 32435, 64675, 64870, 99301, 129350, 162175, 198602, 324350, 496505, 993010, 1290913, 2482525, 2581826, 4965050, 6454565, 12909130, 32272825, 64545650]

約数ペア:

[(1, 64545650), (2, 32272825), (5, 12909130), (10, 6454565), (13, 4965050), (25, 2581826), (26, 2482525), (50, 1290913), (65, 993010), (130, 496505), (199, 324350), (325, 198602), (398, 162175), (499, 129350), (650, 99301), (995, 64870), (998, 64675), (1990, 32435), (2495, 25870), (2587, 24950), (4975, 12974), (4990, 12935), (5174, 12475), (6487, 9950)]