2750320

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1109}}^1$

素因数の和:1153

約数の個数: 40

約数和(自身を含む): 6606720

約数和(自身を除く): 3856400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1109, 1240, 2218, 2480, 4436, 5545, 8872, 11090, 17744, 22180, 34379, 44360, 68758, 88720, 137516, 171895, 275032, 343790, 550064, 687580, 1375160, 2750320]

約数ペア:

[(1, 2750320), (2, 1375160), (4, 687580), (5, 550064), (8, 343790), (10, 275032), (16, 171895), (20, 137516), (31, 88720), (40, 68758), (62, 44360), (80, 34379), (124, 22180), (155, 17744), (248, 11090), (310, 8872), (496, 5545), (620, 4436), (1109, 2480), (1240, 2218)]