18051728560

素因数分解:

$2^4\times 5^1\times {\mathrm{225646607}}^1$

素因数の和:225646620

約数の個数: 20

約数和(自身を含む): 41970269088

約数和(自身を除く): 23918540528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 225646607, 451293214, 902586428, 1128233035, 1805172856, 2256466070, 3610345712, 4512932140, 9025864280, 18051728560]

約数ペア:

[(1, 18051728560), (2, 9025864280), (4, 4512932140), (5, 3610345712), (8, 2256466070), (10, 1805172856), (16, 1128233035), (20, 902586428), (40, 451293214), (80, 225646607)]