27403990

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{751}}^1$

素因数の和:888

約数の個数: 32

約数和(自身を含む): 51166080

約数和(自身を除く): 23762090

約数列:

[1, 2, 5, 10, 41, 82, 89, 178, 205, 410, 445, 751, 890, 1502, 3649, 3755, 7298, 7510, 18245, 30791, 36490, 61582, 66839, 133678, 153955, 307910, 334195, 668390, 2740399, 5480798, 13701995, 27403990]

約数ペア:

[(1, 27403990), (2, 13701995), (5, 5480798), (10, 2740399), (41, 668390), (82, 334195), (89, 307910), (178, 153955), (205, 133678), (410, 66839), (445, 61582), (751, 36490), (890, 30791), (1502, 18245), (3649, 7510), (3755, 7298)]