672823120

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{205129}}^1$

素因数の和:205183

約数の個数: 40

約数和(自身を含む): 1602475560

約数和(自身を除く): 929652440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 205129, 410258, 820516, 1025645, 1641032, 2051290, 3282064, 4102580, 8205160, 8410289, 16410320, 16820578, 33641156, 42051445, 67282312, 84102890, 134564624, 168205780, 336411560, 672823120]

約数ペア:

[(1, 672823120), (2, 336411560), (4, 168205780), (5, 134564624), (8, 84102890), (10, 67282312), (16, 42051445), (20, 33641156), (40, 16820578), (41, 16410320), (80, 8410289), (82, 8205160), (164, 4102580), (205, 3282064), (328, 2051290), (410, 1641032), (656, 1025645), (820, 820516), (1640, 410258), (3280, 205129)]