650035490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{25127}}^1$

素因数の和:25346

約数の個数: 32

約数和(自身を含む): 1266451200

約数和(自身を除く): 616415710

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 199, 398, 995, 1990, 2587, 5174, 12935, 25127, 25870, 50254, 125635, 251270, 326651, 653302, 1633255, 3266510, 5000273, 10000546, 25001365, 50002730, 65003549, 130007098, 325017745, 650035490]

約数ペア:

[(1, 650035490), (2, 325017745), (5, 130007098), (10, 65003549), (13, 50002730), (26, 25001365), (65, 10000546), (130, 5000273), (199, 3266510), (398, 1633255), (995, 653302), (1990, 326651), (2587, 251270), (5174, 125635), (12935, 50254), (25127, 25870)]