27091720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{829}}^1$

素因数の和:902

約数の個数: 64

約数和(自身を含む): 65736000

約数和(自身を除く): 38644280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 43, 76, 86, 95, 152, 172, 190, 215, 344, 380, 430, 760, 817, 829, 860, 1634, 1658, 1720, 3268, 3316, 4085, 4145, 6536, 6632, 8170, 8290, 15751, 16340, 16580, 31502, 32680, 33160, 35647, 63004, 71294, 78755, 126008, 142588, 157510, 178235, 285176, 315020, 356470, 630040, 677293, 712940, 1354586, 1425880, 2709172, 3386465, 5418344, 6772930, 13545860, 27091720]

約数ペア:

[(1, 27091720), (2, 13545860), (4, 6772930), (5, 5418344), (8, 3386465), (10, 2709172), (19, 1425880), (20, 1354586), (38, 712940), (40, 677293), (43, 630040), (76, 356470), (86, 315020), (95, 285176), (152, 178235), (172, 157510), (190, 142588), (215, 126008), (344, 78755), (380, 71294), (430, 63004), (760, 35647), (817, 33160), (829, 32680), (860, 31502), (1634, 16580), (1658, 16340), (1720, 15751), (3268, 8290), (3316, 8170), (4085, 6632), (4145, 6536)]