42870880

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20611}}^1$

素因数の和:20639

約数の個数: 48

約数和(自身を含む): 109078704

約数和(自身を除く): 66207824

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 20611, 41222, 82444, 103055, 164888, 206110, 267943, 329776, 412220, 535886, 659552, 824440, 1071772, 1339715, 1648880, 2143544, 2679430, 3297760, 4287088, 5358860, 8574176, 10717720, 21435440, 42870880]

約数ペア:

[(1, 42870880), (2, 21435440), (4, 10717720), (5, 8574176), (8, 5358860), (10, 4287088), (13, 3297760), (16, 2679430), (20, 2143544), (26, 1648880), (32, 1339715), (40, 1071772), (52, 824440), (65, 659552), (80, 535886), (104, 412220), (130, 329776), (160, 267943), (208, 206110), (260, 164888), (416, 103055), (520, 82444), (1040, 41222), (2080, 20611)]