16161340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1019}}^1$

素因数の和:1102

約数の個数: 48

約数和(自身を含む): 37185120

約数和(自身を除く): 21023780

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 244, 260, 305, 610, 793, 1019, 1220, 1586, 2038, 3172, 3965, 4076, 5095, 7930, 10190, 13247, 15860, 20380, 26494, 52988, 62159, 66235, 124318, 132470, 248636, 264940, 310795, 621590, 808067, 1243180, 1616134, 3232268, 4040335, 8080670, 16161340]

約数ペア:

[(1, 16161340), (2, 8080670), (4, 4040335), (5, 3232268), (10, 1616134), (13, 1243180), (20, 808067), (26, 621590), (52, 310795), (61, 264940), (65, 248636), (122, 132470), (130, 124318), (244, 66235), (260, 62159), (305, 52988), (610, 26494), (793, 20380), (1019, 15860), (1220, 13247), (1586, 10190), (2038, 7930), (3172, 5095), (3965, 4076)]