4501250

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{277}}^1$

素因数の和:312

約数の個数: 40

約数和(自身を含む): 9118956

約数和(自身を除く): 4617706

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 277, 325, 554, 625, 650, 1250, 1385, 1625, 2770, 3250, 3601, 6925, 7202, 8125, 13850, 16250, 18005, 34625, 36010, 69250, 90025, 173125, 180050, 346250, 450125, 900250, 2250625, 4501250]

約数ペア:

[(1, 4501250), (2, 2250625), (5, 900250), (10, 450125), (13, 346250), (25, 180050), (26, 173125), (50, 90025), (65, 69250), (125, 36010), (130, 34625), (250, 18005), (277, 16250), (325, 13850), (554, 8125), (625, 7202), (650, 6925), (1250, 3601), (1385, 3250), (1625, 2770)]