1442173840

素因数分解:

$2^4\times 5^1\times {\mathrm{18027173}}^1$

素因数の和:18027186

約数の個数: 20

約数和(自身を含む): 3353054364

約数和(自身を除く): 1910880524

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 18027173, 36054346, 72108692, 90135865, 144217384, 180271730, 288434768, 360543460, 721086920, 1442173840]

約数ペア:

[(1, 1442173840), (2, 721086920), (4, 360543460), (5, 288434768), (8, 180271730), (10, 144217384), (16, 90135865), (20, 72108692), (40, 36054346), (80, 18027173)]