83781440

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{15401}}^1$

素因数の和:15435

約数の個数: 56

約数和(自身を含む): 211253832

約数和(自身を除く): 127472392

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, 15401, 30802, 61604, 77005, 123208, 154010, 246416, 261817, 308020, 492832, 523634, 616040, 985664, 1047268, 1232080, 1309085, 2094536, 2464160, 2618170, 4189072, 4928320, 5236340, 8378144, 10472680, 16756288, 20945360, 41890720, 83781440]

約数ペア:

[(1, 83781440), (2, 41890720), (4, 20945360), (5, 16756288), (8, 10472680), (10, 8378144), (16, 5236340), (17, 4928320), (20, 4189072), (32, 2618170), (34, 2464160), (40, 2094536), (64, 1309085), (68, 1232080), (80, 1047268), (85, 985664), (136, 616040), (160, 523634), (170, 492832), (272, 308020), (320, 261817), (340, 246416), (544, 154010), (680, 123208), (1088, 77005), (1360, 61604), (2720, 30802), (5440, 15401)]