80832640

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{18043}}^1$

素因数の和:18069

約数の個数: 64

約数和(自身を含む): 220858560

約数和(自身を除く): 140025920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 18043, 36086, 72172, 90215, 126301, 144344, 180430, 252602, 288688, 360860, 505204, 577376, 631505, 721720, 1010408, 1154752, 1263010, 1443440, 2020816, 2309504, 2526020, 2886880, 4041632, 5052040, 5773760, 8083264, 10104080, 11547520, 16166528, 20208160, 40416320, 80832640]

約数ペア:

[(1, 80832640), (2, 40416320), (4, 20208160), (5, 16166528), (7, 11547520), (8, 10104080), (10, 8083264), (14, 5773760), (16, 5052040), (20, 4041632), (28, 2886880), (32, 2526020), (35, 2309504), (40, 2020816), (56, 1443440), (64, 1263010), (70, 1154752), (80, 1010408), (112, 721720), (128, 631505), (140, 577376), (160, 505204), (224, 360860), (280, 288688), (320, 252602), (448, 180430), (560, 144344), (640, 126301), (896, 90215), (1120, 72172), (2240, 36086), (4480, 18043)]