1966809260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{244021}}^1$

素因数の和:244074

約数の個数: 48

約数和(自身を含む): 4591517952

約数和(自身を除く): 2624708692

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 244021, 488042, 976084, 1220105, 2440210, 3172273, 4880420, 6344546, 7564651, 12689092, 15129302, 15861365, 30258604, 31722730, 37823255, 63445460, 75646510, 98340463, 151293020, 196680926, 393361852, 491702315, 983404630, 1966809260]

約数ペア:

[(1, 1966809260), (2, 983404630), (4, 491702315), (5, 393361852), (10, 196680926), (13, 151293020), (20, 98340463), (26, 75646510), (31, 63445460), (52, 37823255), (62, 31722730), (65, 30258604), (124, 15861365), (130, 15129302), (155, 12689092), (260, 7564651), (310, 6344546), (403, 4880420), (620, 3172273), (806, 2440210), (1612, 1220105), (2015, 976084), (4030, 488042), (8060, 244021)]