89385740

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{1787}}^1$

素因数の和:1898

約数の個数: 48

約数和(自身を含む): 195549984

約数和(自身を除く): 106164244

約数列:

[1, 2, 4, 5, 10, 20, 41, 61, 82, 122, 164, 205, 244, 305, 410, 610, 820, 1220, 1787, 2501, 3574, 5002, 7148, 8935, 10004, 12505, 17870, 25010, 35740, 50020, 73267, 109007, 146534, 218014, 293068, 366335, 436028, 545035, 732670, 1090070, 1465340, 2180140, 4469287, 8938574, 17877148, 22346435, 44692870, 89385740]

約数ペア:

[(1, 89385740), (2, 44692870), (4, 22346435), (5, 17877148), (10, 8938574), (20, 4469287), (41, 2180140), (61, 1465340), (82, 1090070), (122, 732670), (164, 545035), (205, 436028), (244, 366335), (305, 293068), (410, 218014), (610, 146534), (820, 109007), (1220, 73267), (1787, 50020), (2501, 35740), (3574, 25010), (5002, 17870), (7148, 12505), (8935, 10004)]