1312401740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{162829}}^1$

素因数の和:162882

約数の個数: 48

約数和(自身を含む): 3063809280

約数和(自身を除く): 1751407540

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, 162829, 325658, 651316, 814145, 1628290, 2116777, 3256580, 4233554, 5047699, 8467108, 10095398, 10583885, 20190796, 21167770, 25238495, 42335540, 50476990, 65620087, 100953980, 131240174, 262480348, 328100435, 656200870, 1312401740]

約数ペア:

[(1, 1312401740), (2, 656200870), (4, 328100435), (5, 262480348), (10, 131240174), (13, 100953980), (20, 65620087), (26, 50476990), (31, 42335540), (52, 25238495), (62, 21167770), (65, 20190796), (124, 10583885), (130, 10095398), (155, 8467108), (260, 5047699), (310, 4233554), (403, 3256580), (620, 2116777), (806, 1628290), (1612, 814145), (2015, 651316), (4030, 325658), (8060, 162829)]