9018848120

素因数分解:

$2^3\times 5^1\times {\mathrm{1663}}^1\times {\mathrm{135581}}^1$

素因数の和:137255

約数の個数: 32

約数和(自身を含む): 20304760320

約数和(自身を除く): 11285912200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1663, 3326, 6652, 8315, 13304, 16630, 33260, 66520, 135581, 271162, 542324, 677905, 1084648, 1355810, 2711620, 5423240, 225471203, 450942406, 901884812, 1127356015, 1803769624, 2254712030, 4509424060, 9018848120]

約数ペア:

[(1, 9018848120), (2, 4509424060), (4, 2254712030), (5, 1803769624), (8, 1127356015), (10, 901884812), (20, 450942406), (40, 225471203), (1663, 5423240), (3326, 2711620), (6652, 1355810), (8315, 1084648), (13304, 677905), (16630, 542324), (33260, 271162), (66520, 135581)]