28864160

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{13877}}^1$

素因数の和:13905

約数の個数: 48

約数和(自身を含む): 73442376

約数和(自身を除く): 44578216

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, 13877, 27754, 55508, 69385, 111016, 138770, 180401, 222032, 277540, 360802, 444064, 555080, 721604, 902005, 1110160, 1443208, 1804010, 2220320, 2886416, 3608020, 5772832, 7216040, 14432080, 28864160]

約数ペア:

[(1, 28864160), (2, 14432080), (4, 7216040), (5, 5772832), (8, 3608020), (10, 2886416), (13, 2220320), (16, 1804010), (20, 1443208), (26, 1110160), (32, 902005), (40, 721604), (52, 555080), (65, 444064), (80, 360802), (104, 277540), (130, 222032), (160, 180401), (208, 138770), (260, 111016), (416, 69385), (520, 55508), (1040, 27754), (2080, 13877)]