30085520

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{3877}}^1$

素因数の和:3987

約数の個数: 40

約数和(自身を含む): 70688184

約数和(自身を除く): 40602664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3877, 3880, 7754, 7760, 15508, 19385, 31016, 38770, 62032, 77540, 155080, 310160, 376069, 752138, 1504276, 1880345, 3008552, 3760690, 6017104, 7521380, 15042760, 30085520]

約数ペア:

[(1, 30085520), (2, 15042760), (4, 7521380), (5, 6017104), (8, 3760690), (10, 3008552), (16, 1880345), (20, 1504276), (40, 752138), (80, 376069), (97, 310160), (194, 155080), (388, 77540), (485, 62032), (776, 38770), (970, 31016), (1552, 19385), (1940, 15508), (3877, 7760), (3880, 7754)]