72089680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{69317}}^1$

素因数の和:69343

約数の個数: 40

約数和(自身を含む): 180504072

約数和(自身を除く): 108414392

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 69317, 138634, 277268, 346585, 554536, 693170, 901121, 1109072, 1386340, 1802242, 2772680, 3604484, 4505605, 5545360, 7208968, 9011210, 14417936, 18022420, 36044840, 72089680]

約数ペア:

[(1, 72089680), (2, 36044840), (4, 18022420), (5, 14417936), (8, 9011210), (10, 7208968), (13, 5545360), (16, 4505605), (20, 3604484), (26, 2772680), (40, 1802242), (52, 1386340), (65, 1109072), (80, 901121), (104, 693170), (130, 554536), (208, 346585), (260, 277268), (520, 138634), (1040, 69317)]