64351120

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47317}}^1$

素因数の和:47347

約数の個数: 40

約数和(自身を含む): 158420664

約数和(自身を除く): 94069544

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 47317, 94634, 189268, 236585, 378536, 473170, 757072, 804389, 946340, 1608778, 1892680, 3217556, 3785360, 4021945, 6435112, 8043890, 12870224, 16087780, 32175560, 64351120]

約数ペア:

[(1, 64351120), (2, 32175560), (4, 16087780), (5, 12870224), (8, 8043890), (10, 6435112), (16, 4021945), (17, 3785360), (20, 3217556), (34, 1892680), (40, 1608778), (68, 946340), (80, 804389), (85, 757072), (136, 473170), (170, 378536), (272, 236585), (340, 189268), (680, 94634), (1360, 47317)]