55723120

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{22469}}^1$

素因数の和:22513

約数の個数: 40

約数和(自身を含む): 133741440

約数和(自身を除く): 78018320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 22469, 44938, 89876, 112345, 179752, 224690, 359504, 449380, 696539, 898760, 1393078, 1797520, 2786156, 3482695, 5572312, 6965390, 11144624, 13930780, 27861560, 55723120]

約数ペア:

[(1, 55723120), (2, 27861560), (4, 13930780), (5, 11144624), (8, 6965390), (10, 5572312), (16, 3482695), (20, 2786156), (31, 1797520), (40, 1393078), (62, 898760), (80, 696539), (124, 449380), (155, 359504), (248, 224690), (310, 179752), (496, 112345), (620, 89876), (1240, 44938), (2480, 22469)]