8899840

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1$

素因数の和:447

約数の個数: 72

約数和(自身を含む): 22627080

約数和(自身を除く): 13727240

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, 544, 640, 680, 818, 1088, 1280, 1360, 1636, 2045, 2176, 2720, 3272, 4090, 4352, 5440, 6544, 6953, 8180, 10880, 13088, 13906, 16360, 21760, 26176, 27812, 32720, 34765, 52352, 55624, 65440, 69530, 104704, 111248, 130880, 139060, 222496, 261760, 278120, 444992, 523520, 556240, 889984, 1112480, 1779968, 2224960, 4449920, 8899840]

約数ペア:

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