140070440

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{26731}}^1$

素因数の和:26873

約数の個数: 32

約数和(自身を含む): 317576160

約数和(自身を除く): 177505720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 26731, 53462, 106924, 133655, 213848, 267310, 534620, 1069240, 3501761, 7003522, 14007044, 17508805, 28014088, 35017610, 70035220, 140070440]

約数ペア:

[(1, 140070440), (2, 70035220), (4, 35017610), (5, 28014088), (8, 17508805), (10, 14007044), (20, 7003522), (40, 3501761), (131, 1069240), (262, 534620), (524, 267310), (655, 213848), (1048, 133655), (1310, 106924), (2620, 53462), (5240, 26731)]