63819340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{631}}^1$

素因数の和:1042

約数の個数: 48

約数和(自身を含む): 144930240

約数和(自身を除く): 81110900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 389, 631, 778, 1262, 1556, 1945, 2524, 3155, 3890, 5057, 6310, 7780, 8203, 10114, 12620, 16406, 20228, 25285, 32812, 41015, 50570, 82030, 101140, 164060, 245459, 490918, 981836, 1227295, 2454590, 3190967, 4909180, 6381934, 12763868, 15954835, 31909670, 63819340]

約数ペア:

[(1, 63819340), (2, 31909670), (4, 15954835), (5, 12763868), (10, 6381934), (13, 4909180), (20, 3190967), (26, 2454590), (52, 1227295), (65, 981836), (130, 490918), (260, 245459), (389, 164060), (631, 101140), (778, 82030), (1262, 50570), (1556, 41015), (1945, 32812), (2524, 25285), (3155, 20228), (3890, 16406), (5057, 12620), (6310, 10114), (7780, 8203)]