918320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{883}}^1$

素因数の和:909

約数の個数: 40

約数和(自身を含む): 2301936

約数和(自身を除く): 1383616

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 883, 1040, 1766, 3532, 4415, 7064, 8830, 11479, 14128, 17660, 22958, 35320, 45916, 57395, 70640, 91832, 114790, 183664, 229580, 459160, 918320]

約数ペア:

[(1, 918320), (2, 459160), (4, 229580), (5, 183664), (8, 114790), (10, 91832), (13, 70640), (16, 57395), (20, 45916), (26, 35320), (40, 22958), (52, 17660), (65, 14128), (80, 11479), (104, 8830), (130, 7064), (208, 4415), (260, 3532), (520, 1766), (883, 1040)]