78410240

素因数分解:

$2^9\times 5^1\times {\mathrm{109}}^1\times {\mathrm{281}}^1$

素因数の和:413

約数の個数: 80

約数和(自身を含む): 190400760

約数和(自身を除く): 111990520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 128, 160, 218, 256, 281, 320, 436, 512, 545, 562, 640, 872, 1090, 1124, 1280, 1405, 1744, 2180, 2248, 2560, 2810, 3488, 4360, 4496, 5620, 6976, 8720, 8992, 11240, 13952, 17440, 17984, 22480, 27904, 30629, 34880, 35968, 44960, 55808, 61258, 69760, 71936, 89920, 122516, 139520, 143872, 153145, 179840, 245032, 279040, 306290, 359680, 490064, 612580, 719360, 980128, 1225160, 1960256, 2450320, 3920512, 4900640, 7841024, 9801280, 15682048, 19602560, 39205120, 78410240]

約数ペア:

[(1, 78410240), (2, 39205120), (4, 19602560), (5, 15682048), (8, 9801280), (10, 7841024), (16, 4900640), (20, 3920512), (32, 2450320), (40, 1960256), (64, 1225160), (80, 980128), (109, 719360), (128, 612580), (160, 490064), (218, 359680), (256, 306290), (281, 279040), (320, 245032), (436, 179840), (512, 153145), (545, 143872), (562, 139520), (640, 122516), (872, 89920), (1090, 71936), (1124, 69760), (1280, 61258), (1405, 55808), (1744, 44960), (2180, 35968), (2248, 34880), (2560, 30629), (2810, 27904), (3488, 22480), (4360, 17984), (4496, 17440), (5620, 13952), (6976, 11240), (8720, 8992)]