100520720

素因数分解:

$2^4\times 5^1\times {\mathrm{883}}^1\times {\mathrm{1423}}^1$

素因数の和:2319

約数の個数: 40

約数和(自身を含む): 234139776

約数和(自身を除く): 133619056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 883, 1423, 1766, 2846, 3532, 4415, 5692, 7064, 7115, 8830, 11384, 14128, 14230, 17660, 22768, 28460, 35320, 56920, 70640, 113840, 1256509, 2513018, 5026036, 6282545, 10052072, 12565090, 20104144, 25130180, 50260360, 100520720]

約数ペア:

[(1, 100520720), (2, 50260360), (4, 25130180), (5, 20104144), (8, 12565090), (10, 10052072), (16, 6282545), (20, 5026036), (40, 2513018), (80, 1256509), (883, 113840), (1423, 70640), (1766, 56920), (2846, 35320), (3532, 28460), (4415, 22768), (5692, 17660), (7064, 14230), (7115, 14128), (8830, 11384)]