79965880

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{761}}^1$

素因数の和:880

約数の個数: 64

約数和(自身を含む): 187634880

約数和(自身を除く): 107669000

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 71, 74, 142, 148, 185, 284, 296, 355, 370, 568, 710, 740, 761, 1420, 1480, 1522, 2627, 2840, 3044, 3805, 5254, 6088, 7610, 10508, 13135, 15220, 21016, 26270, 28157, 30440, 52540, 54031, 56314, 105080, 108062, 112628, 140785, 216124, 225256, 270155, 281570, 432248, 540310, 563140, 1080620, 1126280, 1999147, 2161240, 3998294, 7996588, 9995735, 15993176, 19991470, 39982940, 79965880]

約数ペア:

[(1, 79965880), (2, 39982940), (4, 19991470), (5, 15993176), (8, 9995735), (10, 7996588), (20, 3998294), (37, 2161240), (40, 1999147), (71, 1126280), (74, 1080620), (142, 563140), (148, 540310), (185, 432248), (284, 281570), (296, 270155), (355, 225256), (370, 216124), (568, 140785), (710, 112628), (740, 108062), (761, 105080), (1420, 56314), (1480, 54031), (1522, 52540), (2627, 30440), (2840, 28157), (3044, 26270), (3805, 21016), (5254, 15220), (6088, 13135), (7610, 10508)]