78304880

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{42557}}^1$

素因数の和:42593

約数の個数: 40

約数和(自身を含む): 189978912

約数和(自身を除く): 111674032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 42557, 85114, 170228, 212785, 340456, 425570, 680912, 851140, 978811, 1702280, 1957622, 3404560, 3915244, 4894055, 7830488, 9788110, 15660976, 19576220, 39152440, 78304880]

約数ペア:

[(1, 78304880), (2, 39152440), (4, 19576220), (5, 15660976), (8, 9788110), (10, 7830488), (16, 4894055), (20, 3915244), (23, 3404560), (40, 1957622), (46, 1702280), (80, 978811), (92, 851140), (115, 680912), (184, 425570), (230, 340456), (368, 212785), (460, 170228), (920, 85114), (1840, 42557)]