90980500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{13997}}^1$

素因数の和:14029

約数の個数: 48

約数和(自身を含む): 214001424

約数和(自身を除く): 123020924

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 650, 1300, 1625, 3250, 6500, 13997, 27994, 55988, 69985, 139970, 181961, 279940, 349925, 363922, 699850, 727844, 909805, 1399700, 1749625, 1819610, 3499250, 3639220, 4549025, 6998500, 9098050, 18196100, 22745125, 45490250, 90980500]

約数ペア:

[(1, 90980500), (2, 45490250), (4, 22745125), (5, 18196100), (10, 9098050), (13, 6998500), (20, 4549025), (25, 3639220), (26, 3499250), (50, 1819610), (52, 1749625), (65, 1399700), (100, 909805), (125, 727844), (130, 699850), (250, 363922), (260, 349925), (325, 279940), (500, 181961), (650, 139970), (1300, 69985), (1625, 55988), (3250, 27994), (6500, 13997)]