80250320

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{32359}}^1$

素因数の和:32403

約数の個数: 40

約数和(自身を含む): 192606720

約数和(自身を除く): 112356400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 32359, 64718, 129436, 161795, 258872, 323590, 517744, 647180, 1003129, 1294360, 2006258, 2588720, 4012516, 5015645, 8025032, 10031290, 16050064, 20062580, 40125160, 80250320]

約数ペア:

[(1, 80250320), (2, 40125160), (4, 20062580), (5, 16050064), (8, 10031290), (10, 8025032), (16, 5015645), (20, 4012516), (31, 2588720), (40, 2006258), (62, 1294360), (80, 1003129), (124, 647180), (155, 517744), (248, 323590), (310, 258872), (496, 161795), (620, 129436), (1240, 64718), (2480, 32359)]