561925520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{4957}}^1$

素因数の和:5092

約数の個数: 80

約数和(自身を含む): 1420169520

約数和(自身を除く): 858244000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 109, 130, 208, 218, 260, 436, 520, 545, 872, 1040, 1090, 1417, 1744, 2180, 2834, 4360, 4957, 5668, 7085, 8720, 9914, 11336, 14170, 19828, 22672, 24785, 28340, 39656, 49570, 56680, 64441, 79312, 99140, 113360, 128882, 198280, 257764, 322205, 396560, 515528, 540313, 644410, 1031056, 1080626, 1288820, 2161252, 2577640, 2701565, 4322504, 5155280, 5403130, 7024069, 8645008, 10806260, 14048138, 21612520, 28096276, 35120345, 43225040, 56192552, 70240690, 112385104, 140481380, 280962760, 561925520]

約数ペア:

[(1, 561925520), (2, 280962760), (4, 140481380), (5, 112385104), (8, 70240690), (10, 56192552), (13, 43225040), (16, 35120345), (20, 28096276), (26, 21612520), (40, 14048138), (52, 10806260), (65, 8645008), (80, 7024069), (104, 5403130), (109, 5155280), (130, 4322504), (208, 2701565), (218, 2577640), (260, 2161252), (436, 1288820), (520, 1080626), (545, 1031056), (872, 644410), (1040, 540313), (1090, 515528), (1417, 396560), (1744, 322205), (2180, 257764), (2834, 198280), (4360, 128882), (4957, 113360), (5668, 99140), (7085, 79312), (8720, 64441), (9914, 56680), (11336, 49570), (14170, 39656), (19828, 28340), (22672, 24785)]