23405980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{90023}}^1$

素因数の和:90045

約数の個数: 24

約数和(自身を含む): 52934112

約数和(自身を除く): 29528132

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 90023, 180046, 360092, 450115, 900230, 1170299, 1800460, 2340598, 4681196, 5851495, 11702990, 23405980]

約数ペア:

[(1, 23405980), (2, 11702990), (4, 5851495), (5, 4681196), (10, 2340598), (13, 1800460), (20, 1170299), (26, 900230), (52, 450115), (65, 360092), (130, 180046), (260, 90023)]