201312640

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{18503}}^1$

素因数の和:18539

約数の個数: 64

約数和(自身を含む): 509600160

約数和(自身を除く): 308287520

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 320, 340, 544, 640, 680, 1088, 1360, 2176, 2720, 5440, 10880, 18503, 37006, 74012, 92515, 148024, 185030, 296048, 314551, 370060, 592096, 629102, 740120, 1184192, 1258204, 1480240, 1572755, 2368384, 2516408, 2960480, 3145510, 5032816, 5920960, 6291020, 10065632, 11841920, 12582040, 20131264, 25164080, 40262528, 50328160, 100656320, 201312640]

約数ペア:

[(1, 201312640), (2, 100656320), (4, 50328160), (5, 40262528), (8, 25164080), (10, 20131264), (16, 12582040), (17, 11841920), (20, 10065632), (32, 6291020), (34, 5920960), (40, 5032816), (64, 3145510), (68, 2960480), (80, 2516408), (85, 2368384), (128, 1572755), (136, 1480240), (160, 1258204), (170, 1184192), (272, 740120), (320, 629102), (340, 592096), (544, 370060), (640, 314551), (680, 296048), (1088, 185030), (1360, 148024), (2176, 92515), (2720, 74012), (5440, 37006), (10880, 18503)]