40906480

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{3137}}^1$

素因数の和:3313

約数の個数: 40

約数和(自身を含む): 95721552

約数和(自身を除く): 54815072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 326, 652, 815, 1304, 1630, 2608, 3137, 3260, 6274, 6520, 12548, 13040, 15685, 25096, 31370, 50192, 62740, 125480, 250960, 511331, 1022662, 2045324, 2556655, 4090648, 5113310, 8181296, 10226620, 20453240, 40906480]

約数ペア:

[(1, 40906480), (2, 20453240), (4, 10226620), (5, 8181296), (8, 5113310), (10, 4090648), (16, 2556655), (20, 2045324), (40, 1022662), (80, 511331), (163, 250960), (326, 125480), (652, 62740), (815, 50192), (1304, 31370), (1630, 25096), (2608, 15685), (3137, 13040), (3260, 12548), (6274, 6520)]