4287805720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9745013}}^1$

素因数の和:9745035

約数の個数: 32

約数和(自身を含む): 10524615120

約数和(自身を除く): 6236809400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 9745013, 19490026, 38980052, 48725065, 77960104, 97450130, 107195143, 194900260, 214390286, 389800520, 428780572, 535975715, 857561144, 1071951430, 2143902860, 4287805720]

約数ペア:

[(1, 4287805720), (2, 2143902860), (4, 1071951430), (5, 857561144), (8, 535975715), (10, 428780572), (11, 389800520), (20, 214390286), (22, 194900260), (40, 107195143), (44, 97450130), (55, 77960104), (88, 48725065), (110, 38980052), (220, 19490026), (440, 9745013)]