80235440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{32353}}^1$

素因数の和:32397

約数の個数: 40

約数和(自身を含む): 192571008

約数和(自身を除く): 112335568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 32353, 64706, 129412, 161765, 258824, 323530, 517648, 647060, 1002943, 1294120, 2005886, 2588240, 4011772, 5014715, 8023544, 10029430, 16047088, 20058860, 40117720, 80235440]

約数ペア:

[(1, 80235440), (2, 40117720), (4, 20058860), (5, 16047088), (8, 10029430), (10, 8023544), (16, 5014715), (20, 4011772), (31, 2588240), (40, 2005886), (62, 1294120), (80, 1002943), (124, 647060), (155, 517648), (248, 323530), (310, 258824), (496, 161765), (620, 129412), (1240, 64706), (2480, 32353)]