2011389680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1478963}}^1$

素因数の和:1478993

約数の個数: 40

約数和(自身を含む): 4951571472

約数和(自身を除く): 2940181792

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 1478963, 2957926, 5915852, 7394815, 11831704, 14789630, 23663408, 25142371, 29579260, 50284742, 59158520, 100569484, 118317040, 125711855, 201138968, 251423710, 402277936, 502847420, 1005694840, 2011389680]

約数ペア:

[(1, 2011389680), (2, 1005694840), (4, 502847420), (5, 402277936), (8, 251423710), (10, 201138968), (16, 125711855), (17, 118317040), (20, 100569484), (34, 59158520), (40, 50284742), (68, 29579260), (80, 25142371), (85, 23663408), (136, 14789630), (170, 11831704), (272, 7394815), (340, 5915852), (680, 2957926), (1360, 1478963)]