65005040

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{11131}}^1$

素因数の和:11217

約数の個数: 40

約数和(自身を含む): 153220848

約数和(自身を除く): 88215808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 5840, 11131, 22262, 44524, 55655, 89048, 111310, 178096, 222620, 445240, 812563, 890480, 1625126, 3250252, 4062815, 6500504, 8125630, 13001008, 16251260, 32502520, 65005040]

約数ペア:

[(1, 65005040), (2, 32502520), (4, 16251260), (5, 13001008), (8, 8125630), (10, 6500504), (16, 4062815), (20, 3250252), (40, 1625126), (73, 890480), (80, 812563), (146, 445240), (292, 222620), (365, 178096), (584, 111310), (730, 89048), (1168, 55655), (1460, 44524), (2920, 22262), (5840, 11131)]