64846720

素因数分解:

$2^7\times 5^1\times {\mathrm{101323}}^1$

素因数の和:101342

約数の個数: 32

約数和(自身を含む): 155025720

約数和(自身を除く): 90179000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 101323, 202646, 405292, 506615, 810584, 1013230, 1621168, 2026460, 3242336, 4052920, 6484672, 8105840, 12969344, 16211680, 32423360, 64846720]

約数ペア:

[(1, 64846720), (2, 32423360), (4, 16211680), (5, 12969344), (8, 8105840), (10, 6484672), (16, 4052920), (20, 3242336), (32, 2026460), (40, 1621168), (64, 1013230), (80, 810584), (128, 506615), (160, 405292), (320, 202646), (640, 101323)]