1234561880

素因数分解:

$2^3\times 5^1\times {\mathrm{1171}}^1\times {\mathrm{26357}}^1$

素因数の和:27539

約数の個数: 32

約数和(自身を含む): 2780241840

約数和(自身を除く): 1545679960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1171, 2342, 4684, 5855, 9368, 11710, 23420, 26357, 46840, 52714, 105428, 131785, 210856, 263570, 527140, 1054280, 30864047, 61728094, 123456188, 154320235, 246912376, 308640470, 617280940, 1234561880]

約数ペア:

[(1, 1234561880), (2, 617280940), (4, 308640470), (5, 246912376), (8, 154320235), (10, 123456188), (20, 61728094), (40, 30864047), (1171, 1054280), (2342, 527140), (4684, 263570), (5855, 210856), (9368, 131785), (11710, 105428), (23420, 52714), (26357, 46840)]