81150550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{124847}}^1$

素因数の和:124872

約数の個数: 24

約数和(自身を含む): 162552096

約数和(自身を除く): 81401546

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 124847, 249694, 624235, 1248470, 1623011, 3121175, 3246022, 6242350, 8115055, 16230110, 40575275, 81150550]

約数ペア:

[(1, 81150550), (2, 40575275), (5, 16230110), (10, 8115055), (13, 6242350), (25, 3246022), (26, 3121175), (50, 1623011), (65, 1248470), (130, 624235), (325, 249694), (650, 124847)]