40245520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71867}}^1$

素因数の和:71887

約数の個数: 40

約数和(自身を含む): 106939584

約数和(自身を除く): 66694064

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 71867, 143734, 287468, 359335, 503069, 574936, 718670, 1006138, 1149872, 1437340, 2012276, 2515345, 2874680, 4024552, 5030690, 5749360, 8049104, 10061380, 20122760, 40245520]

約数ペア:

[(1, 40245520), (2, 20122760), (4, 10061380), (5, 8049104), (7, 5749360), (8, 5030690), (10, 4024552), (14, 2874680), (16, 2515345), (20, 2012276), (28, 1437340), (35, 1149872), (40, 1006138), (56, 718670), (70, 574936), (80, 503069), (112, 359335), (140, 287468), (280, 143734), (560, 71867)]