17960840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{433}}^1$

素因数の和:522

約数の個数: 64

約数和(自身を含む): 43590960

約数和(自身を除く): 25630120

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 61, 68, 85, 122, 136, 170, 244, 305, 340, 433, 488, 610, 680, 866, 1037, 1220, 1732, 2074, 2165, 2440, 3464, 4148, 4330, 5185, 7361, 8296, 8660, 10370, 14722, 17320, 20740, 26413, 29444, 36805, 41480, 52826, 58888, 73610, 105652, 132065, 147220, 211304, 264130, 294440, 449021, 528260, 898042, 1056520, 1796084, 2245105, 3592168, 4490210, 8980420, 17960840]

約数ペア:

[(1, 17960840), (2, 8980420), (4, 4490210), (5, 3592168), (8, 2245105), (10, 1796084), (17, 1056520), (20, 898042), (34, 528260), (40, 449021), (61, 294440), (68, 264130), (85, 211304), (122, 147220), (136, 132065), (170, 105652), (244, 73610), (305, 58888), (340, 52826), (433, 41480), (488, 36805), (610, 29444), (680, 26413), (866, 20740), (1037, 17320), (1220, 14722), (1732, 10370), (2074, 8660), (2165, 8296), (2440, 7361), (3464, 5185), (4148, 4330)]