53220520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{293}}^1$

素因数の和:562

約数の個数: 64

約数和(自身を含む): 127008000

約数和(自身を除く): 73787480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 239, 293, 380, 478, 586, 760, 956, 1172, 1195, 1465, 1912, 2344, 2390, 2930, 4541, 4780, 5567, 5860, 9082, 9560, 11134, 11720, 18164, 22268, 22705, 27835, 36328, 44536, 45410, 55670, 70027, 90820, 111340, 140054, 181640, 222680, 280108, 350135, 560216, 700270, 1330513, 1400540, 2661026, 2801080, 5322052, 6652565, 10644104, 13305130, 26610260, 53220520]

約数ペア:

[(1, 53220520), (2, 26610260), (4, 13305130), (5, 10644104), (8, 6652565), (10, 5322052), (19, 2801080), (20, 2661026), (38, 1400540), (40, 1330513), (76, 700270), (95, 560216), (152, 350135), (190, 280108), (239, 222680), (293, 181640), (380, 140054), (478, 111340), (586, 90820), (760, 70027), (956, 55670), (1172, 45410), (1195, 44536), (1465, 36328), (1912, 27835), (2344, 22705), (2390, 22268), (2930, 18164), (4541, 11720), (4780, 11134), (5567, 9560), (5860, 9082)]