80941760

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{14879}}^1$

素因数の和:14913

約数の個数: 56

約数和(自身を含む): 204094080

約数和(自身を除く): 123152320

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 2720, 5440, 14879, 29758, 59516, 74395, 119032, 148790, 238064, 252943, 297580, 476128, 505886, 595160, 952256, 1011772, 1190320, 1264715, 2023544, 2380640, 2529430, 4047088, 4761280, 5058860, 8094176, 10117720, 16188352, 20235440, 40470880, 80941760]

約数ペア:

[(1, 80941760), (2, 40470880), (4, 20235440), (5, 16188352), (8, 10117720), (10, 8094176), (16, 5058860), (17, 4761280), (20, 4047088), (32, 2529430), (34, 2380640), (40, 2023544), (64, 1264715), (68, 1190320), (80, 1011772), (85, 952256), (136, 595160), (160, 505886), (170, 476128), (272, 297580), (320, 252943), (340, 238064), (544, 148790), (680, 119032), (1088, 74395), (1360, 59516), (2720, 29758), (5440, 14879)]