1628981660

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{241}}^1\times {\mathrm{8243}}^1$

素因数の和:8534

約数の個数: 48

約数和(自身を含む): 3519264672

約数和(自身を除く): 1890283012

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 241, 410, 482, 820, 964, 1205, 2410, 4820, 8243, 9881, 16486, 19762, 32972, 39524, 41215, 49405, 82430, 98810, 164860, 197620, 337963, 675926, 1351852, 1689815, 1986563, 3379630, 3973126, 6759260, 7946252, 9932815, 19865630, 39731260, 81449083, 162898166, 325796332, 407245415, 814490830, 1628981660]

約数ペア:

[(1, 1628981660), (2, 814490830), (4, 407245415), (5, 325796332), (10, 162898166), (20, 81449083), (41, 39731260), (82, 19865630), (164, 9932815), (205, 7946252), (241, 6759260), (410, 3973126), (482, 3379630), (820, 1986563), (964, 1689815), (1205, 1351852), (2410, 675926), (4820, 337963), (8243, 197620), (9881, 164860), (16486, 98810), (19762, 82430), (32972, 49405), (39524, 41215)]