9801280

素因数分解:

$2^6\times 5^1\times {\mathrm{109}}^1\times {\mathrm{281}}^1$

素因数の和:407

約数の個数: 56

約数和(自身を含む): 23637240

約数和(自身を除く): 13835960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 160, 218, 281, 320, 436, 545, 562, 872, 1090, 1124, 1405, 1744, 2180, 2248, 2810, 3488, 4360, 4496, 5620, 6976, 8720, 8992, 11240, 17440, 17984, 22480, 30629, 34880, 44960, 61258, 89920, 122516, 153145, 245032, 306290, 490064, 612580, 980128, 1225160, 1960256, 2450320, 4900640, 9801280]

約数ペア:

[(1, 9801280), (2, 4900640), (4, 2450320), (5, 1960256), (8, 1225160), (10, 980128), (16, 612580), (20, 490064), (32, 306290), (40, 245032), (64, 153145), (80, 122516), (109, 89920), (160, 61258), (218, 44960), (281, 34880), (320, 30629), (436, 22480), (545, 17984), (562, 17440), (872, 11240), (1090, 8992), (1124, 8720), (1405, 6976), (1744, 5620), (2180, 4496), (2248, 4360), (2810, 3488)]