16664320

素因数分解:

$2^8\times 5^1\times {\mathrm{47}}^1\times {\mathrm{277}}^1$

素因数の和:345

約数の個数: 72

約数和(自身を含む): 40912704

約数和(自身を除く): 24248384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 128, 160, 188, 235, 256, 277, 320, 376, 470, 554, 640, 752, 940, 1108, 1280, 1385, 1504, 1880, 2216, 2770, 3008, 3760, 4432, 5540, 6016, 7520, 8864, 11080, 12032, 13019, 15040, 17728, 22160, 26038, 30080, 35456, 44320, 52076, 60160, 65095, 70912, 88640, 104152, 130190, 177280, 208304, 260380, 354560, 416608, 520760, 833216, 1041520, 1666432, 2083040, 3332864, 4166080, 8332160, 16664320]

約数ペア:

[(1, 16664320), (2, 8332160), (4, 4166080), (5, 3332864), (8, 2083040), (10, 1666432), (16, 1041520), (20, 833216), (32, 520760), (40, 416608), (47, 354560), (64, 260380), (80, 208304), (94, 177280), (128, 130190), (160, 104152), (188, 88640), (235, 70912), (256, 65095), (277, 60160), (320, 52076), (376, 44320), (470, 35456), (554, 30080), (640, 26038), (752, 22160), (940, 17728), (1108, 15040), (1280, 13019), (1385, 12032), (1504, 11080), (1880, 8864), (2216, 7520), (2770, 6016), (3008, 5540), (3760, 4432)]