27700360

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{251}}^1$

素因数の和:382

約数の個数: 64

約数和(自身を含む): 65318400

約数和(自身を除く): 37618040

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 89, 124, 155, 178, 248, 251, 310, 356, 445, 502, 620, 712, 890, 1004, 1240, 1255, 1780, 2008, 2510, 2759, 3560, 5020, 5518, 7781, 10040, 11036, 13795, 15562, 22072, 22339, 27590, 31124, 38905, 44678, 55180, 62248, 77810, 89356, 110360, 111695, 155620, 178712, 223390, 311240, 446780, 692509, 893560, 1385018, 2770036, 3462545, 5540072, 6925090, 13850180, 27700360]

約数ペア:

[(1, 27700360), (2, 13850180), (4, 6925090), (5, 5540072), (8, 3462545), (10, 2770036), (20, 1385018), (31, 893560), (40, 692509), (62, 446780), (89, 311240), (124, 223390), (155, 178712), (178, 155620), (248, 111695), (251, 110360), (310, 89356), (356, 77810), (445, 62248), (502, 55180), (620, 44678), (712, 38905), (890, 31124), (1004, 27590), (1240, 22339), (1255, 22072), (1780, 15562), (2008, 13795), (2510, 11036), (2759, 10040), (3560, 7781), (5020, 5518)]