31253120

素因数分解:

$2^7\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1039}}^1$

素因数の和:1105

約数の個数: 64

約数和(自身を含む): 76377600

約数和(自身を除く): 45124480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 128, 160, 188, 235, 320, 376, 470, 640, 752, 940, 1039, 1504, 1880, 2078, 3008, 3760, 4156, 5195, 6016, 7520, 8312, 10390, 15040, 16624, 20780, 30080, 33248, 41560, 48833, 66496, 83120, 97666, 132992, 166240, 195332, 244165, 332480, 390664, 488330, 664960, 781328, 976660, 1562656, 1953320, 3125312, 3906640, 6250624, 7813280, 15626560, 31253120]

約数ペア:

[(1, 31253120), (2, 15626560), (4, 7813280), (5, 6250624), (8, 3906640), (10, 3125312), (16, 1953320), (20, 1562656), (32, 976660), (40, 781328), (47, 664960), (64, 488330), (80, 390664), (94, 332480), (128, 244165), (160, 195332), (188, 166240), (235, 132992), (320, 97666), (376, 83120), (470, 66496), (640, 48833), (752, 41560), (940, 33248), (1039, 30080), (1504, 20780), (1880, 16624), (2078, 15040), (3008, 10390), (3760, 8312), (4156, 7520), (5195, 6016)]