43889920

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2017}}^1$

素因数の和:2055

約数の個数: 72

約数和(自身を含む): 111369384

約数和(自身を除く): 67479464

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, 544, 640, 680, 1088, 1280, 1360, 2017, 2176, 2720, 4034, 4352, 5440, 8068, 10085, 10880, 16136, 20170, 21760, 32272, 34289, 40340, 64544, 68578, 80680, 129088, 137156, 161360, 171445, 258176, 274312, 322720, 342890, 516352, 548624, 645440, 685780, 1097248, 1290880, 1371560, 2194496, 2581760, 2743120, 4388992, 5486240, 8777984, 10972480, 21944960, 43889920]

約数ペア:

[(1, 43889920), (2, 21944960), (4, 10972480), (5, 8777984), (8, 5486240), (10, 4388992), (16, 2743120), (17, 2581760), (20, 2194496), (32, 1371560), (34, 1290880), (40, 1097248), (64, 685780), (68, 645440), (80, 548624), (85, 516352), (128, 342890), (136, 322720), (160, 274312), (170, 258176), (256, 171445), (272, 161360), (320, 137156), (340, 129088), (544, 80680), (640, 68578), (680, 64544), (1088, 40340), (1280, 34289), (1360, 32272), (2017, 21760), (2176, 20170), (2720, 16136), (4034, 10880), (4352, 10085), (5440, 8068)]