90751520

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{6373}}^1$

素因数の和:6477

約数の個数: 48

約数和(自身を含む): 216843480

約数和(自身を除く): 126091960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 160, 178, 356, 445, 712, 890, 1424, 1780, 2848, 3560, 6373, 7120, 12746, 14240, 25492, 31865, 50984, 63730, 101968, 127460, 203936, 254920, 509840, 567197, 1019680, 1134394, 2268788, 2835985, 4537576, 5671970, 9075152, 11343940, 18150304, 22687880, 45375760, 90751520]

約数ペア:

[(1, 90751520), (2, 45375760), (4, 22687880), (5, 18150304), (8, 11343940), (10, 9075152), (16, 5671970), (20, 4537576), (32, 2835985), (40, 2268788), (80, 1134394), (89, 1019680), (160, 567197), (178, 509840), (356, 254920), (445, 203936), (712, 127460), (890, 101968), (1424, 63730), (1780, 50984), (2848, 31865), (3560, 25492), (6373, 14240), (7120, 12746)]