19602560

素因数分解:

$2^7\times 5^1\times {\mathrm{109}}^1\times {\mathrm{281}}^1$

素因数の和:409

約数の個数: 64

約数和(自身を含む): 47460600

約数和(自身を除く): 27858040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 128, 160, 218, 281, 320, 436, 545, 562, 640, 872, 1090, 1124, 1405, 1744, 2180, 2248, 2810, 3488, 4360, 4496, 5620, 6976, 8720, 8992, 11240, 13952, 17440, 17984, 22480, 30629, 34880, 35968, 44960, 61258, 69760, 89920, 122516, 153145, 179840, 245032, 306290, 490064, 612580, 980128, 1225160, 1960256, 2450320, 3920512, 4900640, 9801280, 19602560]

約数ペア:

[(1, 19602560), (2, 9801280), (4, 4900640), (5, 3920512), (8, 2450320), (10, 1960256), (16, 1225160), (20, 980128), (32, 612580), (40, 490064), (64, 306290), (80, 245032), (109, 179840), (128, 153145), (160, 122516), (218, 89920), (281, 69760), (320, 61258), (436, 44960), (545, 35968), (562, 34880), (640, 30629), (872, 22480), (1090, 17984), (1124, 17440), (1405, 13952), (1744, 11240), (2180, 8992), (2248, 8720), (2810, 6976), (3488, 5620), (4360, 4496)]