4449920

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1$

素因数の和:445

約数の個数: 64

約数和(自身を含む): 11291400

約数和(自身を除く): 6841480

約数列:

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

約数ペア:

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