1243600520

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{617}}^1\times {\mathrm{1229}}^1$

素因数の和:1898

約数の個数: 64

約数和(自身を含む): 2873329200

約数和(自身を除く): 1629728680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 617, 820, 1229, 1234, 1640, 2458, 2468, 3085, 4916, 4936, 6145, 6170, 9832, 12290, 12340, 24580, 24680, 25297, 49160, 50389, 50594, 100778, 101188, 126485, 201556, 202376, 251945, 252970, 403112, 503890, 505940, 758293, 1007780, 1011880, 1516586, 2015560, 3033172, 3791465, 6066344, 7582930, 15165860, 30331720, 31090013, 62180026, 124360052, 155450065, 248720104, 310900130, 621800260, 1243600520]

約数ペア:

[(1, 1243600520), (2, 621800260), (4, 310900130), (5, 248720104), (8, 155450065), (10, 124360052), (20, 62180026), (40, 31090013), (41, 30331720), (82, 15165860), (164, 7582930), (205, 6066344), (328, 3791465), (410, 3033172), (617, 2015560), (820, 1516586), (1229, 1011880), (1234, 1007780), (1640, 758293), (2458, 505940), (2468, 503890), (3085, 403112), (4916, 252970), (4936, 251945), (6145, 202376), (6170, 201556), (9832, 126485), (12290, 101188), (12340, 100778), (24580, 50594), (24680, 50389), (25297, 49160)]