90019540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{26633}}^1$

素因数の和:26668

約数の個数: 36

約数和(自身を含む): 204708924

約数和(自身を除く): 114689384

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 26633, 53266, 106532, 133165, 266330, 346229, 532660, 692458, 1384916, 1731145, 3462290, 4500977, 6924580, 9001954, 18003908, 22504885, 45009770, 90019540]

約数ペア:

[(1, 90019540), (2, 45009770), (4, 22504885), (5, 18003908), (10, 9001954), (13, 6924580), (20, 4500977), (26, 3462290), (52, 1731145), (65, 1384916), (130, 692458), (169, 532660), (260, 346229), (338, 266330), (676, 133165), (845, 106532), (1690, 53266), (3380, 26633)]