17799680

素因数分解:

$2^9\times 5^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1$

素因数の和:449

約数の個数: 80

約数和(自身を含む): 45298440

約数和(自身を除く): 27498760

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 409, 512, 544, 640, 680, 818, 1088, 1280, 1360, 1636, 2045, 2176, 2560, 2720, 3272, 4090, 4352, 5440, 6544, 6953, 8180, 8704, 10880, 13088, 13906, 16360, 21760, 26176, 27812, 32720, 34765, 43520, 52352, 55624, 65440, 69530, 104704, 111248, 130880, 139060, 209408, 222496, 261760, 278120, 444992, 523520, 556240, 889984, 1047040, 1112480, 1779968, 2224960, 3559936, 4449920, 8899840, 17799680]

約数ペア:

[(1, 17799680), (2, 8899840), (4, 4449920), (5, 3559936), (8, 2224960), (10, 1779968), (16, 1112480), (17, 1047040), (20, 889984), (32, 556240), (34, 523520), (40, 444992), (64, 278120), (68, 261760), (80, 222496), (85, 209408), (128, 139060), (136, 130880), (160, 111248), (170, 104704), (256, 69530), (272, 65440), (320, 55624), (340, 52352), (409, 43520), (512, 34765), (544, 32720), (640, 27812), (680, 26176), (818, 21760), (1088, 16360), (1280, 13906), (1360, 13088), (1636, 10880), (2045, 8704), (2176, 8180), (2560, 6953), (2720, 6544), (3272, 5440), (4090, 4352)]