77688640

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{14281}}^1$

素因数の和:14315

約数の個数: 56

約数和(自身を含む): 195891912

約数和(自身を除く): 118203272

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, 14281, 28562, 57124, 71405, 114248, 142810, 228496, 242777, 285620, 456992, 485554, 571240, 913984, 971108, 1142480, 1213885, 1942216, 2284960, 2427770, 3884432, 4569920, 4855540, 7768864, 9711080, 15537728, 19422160, 38844320, 77688640]

約数ペア:

[(1, 77688640), (2, 38844320), (4, 19422160), (5, 15537728), (8, 9711080), (10, 7768864), (16, 4855540), (17, 4569920), (20, 3884432), (32, 2427770), (34, 2284960), (40, 1942216), (64, 1213885), (68, 1142480), (80, 971108), (85, 913984), (136, 571240), (160, 485554), (170, 456992), (272, 285620), (320, 242777), (340, 228496), (544, 142810), (680, 114248), (1088, 71405), (1360, 57124), (2720, 28562), (5440, 14281)]