40204008

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{42953}}^1$

素因数の和:42978

約数の個数: 48

約数和(自身を含む): 117264420

約数和(自身を除く): 77060412

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 42953, 85906, 128859, 171812, 257718, 343624, 386577, 515436, 558389, 773154, 1030872, 1116778, 1546308, 1675167, 2233556, 3092616, 3350334, 4467112, 5025501, 6700668, 10051002, 13401336, 20102004, 40204008]

約数ペア:

[(1, 40204008), (2, 20102004), (3, 13401336), (4, 10051002), (6, 6700668), (8, 5025501), (9, 4467112), (12, 3350334), (13, 3092616), (18, 2233556), (24, 1675167), (26, 1546308), (36, 1116778), (39, 1030872), (52, 773154), (72, 558389), (78, 515436), (104, 386577), (117, 343624), (156, 257718), (234, 171812), (312, 128859), (468, 85906), (936, 42953)]