80831810

素因数分解:

$2^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{199}}^1\times {\mathrm{269}}^1$

素因数の和:626

約数の個数: 32

約数和(自身を含む): 147744000

約数和(自身を除く): 66912190

約数列:

[1, 2, 5, 10, 151, 199, 269, 302, 398, 538, 755, 995, 1345, 1510, 1990, 2690, 30049, 40619, 53531, 60098, 81238, 107062, 150245, 203095, 267655, 300490, 406190, 535310, 8083181, 16166362, 40415905, 80831810]

約数ペア:

[(1, 80831810), (2, 40415905), (5, 16166362), (10, 8083181), (151, 535310), (199, 406190), (269, 300490), (302, 267655), (398, 203095), (538, 150245), (755, 107062), (995, 81238), (1345, 60098), (1510, 53531), (1990, 40619), (2690, 30049)]