72261760

素因数分解:

$2^7\times 5^1\times {\mathrm{112909}}^1$

素因数の和:112928

約数の個数: 32

約数和(自身を含む): 172752300

約数和(自身を除く): 100490540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 112909, 225818, 451636, 564545, 903272, 1129090, 1806544, 2258180, 3613088, 4516360, 7226176, 9032720, 14452352, 18065440, 36130880, 72261760]

約数ペア:

[(1, 72261760), (2, 36130880), (4, 18065440), (5, 14452352), (8, 9032720), (10, 7226176), (16, 4516360), (20, 3613088), (32, 2258180), (40, 1806544), (64, 1129090), (80, 903272), (128, 564545), (160, 451636), (320, 225818), (640, 112909)]