828173440

素因数分解:

$2^7\times 5^1\times {\mathrm{1294021}}^1$

素因数の和:1294040

約数の個数: 32

約数和(自身を含む): 1979853660

約数和(自身を除く): 1151680220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 1294021, 2588042, 5176084, 6470105, 10352168, 12940210, 20704336, 25880420, 41408672, 51760840, 82817344, 103521680, 165634688, 207043360, 414086720, 828173440]

約数ペア:

[(1, 828173440), (2, 414086720), (4, 207043360), (5, 165634688), (8, 103521680), (10, 82817344), (16, 51760840), (20, 41408672), (32, 25880420), (40, 20704336), (64, 12940210), (80, 10352168), (128, 6470105), (160, 5176084), (320, 2588042), (640, 1294021)]