80453713520

素因数分解:

$2^4\times 5^1\times {\mathrm{32789}}^1\times {\mathrm{30671}}^1$

素因数の和:63473

約数の個数: 40

約数和(自身を含む): 187066687680

約数和(自身を除く): 106612974160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 30671, 32789, 61342, 65578, 122684, 131156, 153355, 163945, 245368, 262312, 306710, 327890, 490736, 524624, 613420, 655780, 1226840, 1311560, 2453680, 2623120, 1005671419, 2011342838, 4022685676, 5028357095, 8045371352, 10056714190, 16090742704, 20113428380, 40226856760, 80453713520]

約数ペア:

[(1, 80453713520), (2, 40226856760), (4, 20113428380), (5, 16090742704), (8, 10056714190), (10, 8045371352), (16, 5028357095), (20, 4022685676), (40, 2011342838), (80, 1005671419), (30671, 2623120), (32789, 2453680), (61342, 1311560), (65578, 1226840), (122684, 655780), (131156, 613420), (153355, 524624), (163945, 490736), (245368, 327890), (262312, 306710)]