318421143680

素因数分解:

$2^7\times 5^1\times {\mathrm{497533037}}^1$

素因数の和:497533056

約数の個数: 32

約数和(自身を含む): 761225548140

約数和(自身を除く): 442804404460

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 497533037, 995066074, 1990132148, 2487665185, 3980264296, 4975330370, 7960528592, 9950660740, 15921057184, 19901321480, 31842114368, 39802642960, 63684228736, 79605285920, 159210571840, 318421143680]

約数ペア:

[(1, 318421143680), (2, 159210571840), (4, 79605285920), (5, 63684228736), (8, 39802642960), (10, 31842114368), (16, 19901321480), (20, 15921057184), (32, 9950660740), (40, 7960528592), (64, 4975330370), (80, 3980264296), (128, 2487665185), (160, 1990132148), (320, 995066074), (640, 497533037)]