854223880

素因数分解:

$2^3\times 5^1\times {\mathrm{2371}}^1\times {\mathrm{9007}}^1$

素因数の和:11389

約数の個数: 32

約数和(自身を含む): 1923027840

約数和(自身を除く): 1068803960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2371, 4742, 9007, 9484, 11855, 18014, 18968, 23710, 36028, 45035, 47420, 72056, 90070, 94840, 180140, 360280, 21355597, 42711194, 85422388, 106777985, 170844776, 213555970, 427111940, 854223880]

約数ペア:

[(1, 854223880), (2, 427111940), (4, 213555970), (5, 170844776), (8, 106777985), (10, 85422388), (20, 42711194), (40, 21355597), (2371, 360280), (4742, 180140), (9007, 94840), (9484, 90070), (11855, 72056), (18014, 47420), (18968, 45035), (23710, 36028)]