4262180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{97}}^1$

素因数の和:145

約数の個数: 48

約数和(自身を含む): 9796080

約数和(自身を除く): 5533900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 97, 130, 169, 194, 260, 338, 388, 485, 676, 845, 970, 1261, 1690, 1940, 2197, 2522, 3380, 4394, 5044, 6305, 8788, 10985, 12610, 16393, 21970, 25220, 32786, 43940, 65572, 81965, 163930, 213109, 327860, 426218, 852436, 1065545, 2131090, 4262180]

約数ペア:

[(1, 4262180), (2, 2131090), (4, 1065545), (5, 852436), (10, 426218), (13, 327860), (20, 213109), (26, 163930), (52, 81965), (65, 65572), (97, 43940), (130, 32786), (169, 25220), (194, 21970), (260, 16393), (338, 12610), (388, 10985), (485, 8788), (676, 6305), (845, 5044), (970, 4394), (1261, 3380), (1690, 2522), (1940, 2197)]