22511440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{659}}^1$

素因数の和:740

約数の個数: 80

約数和(自身を含む): 60888960

約数和(自身を除く): 38377520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 61, 70, 80, 112, 122, 140, 244, 280, 305, 427, 488, 560, 610, 659, 854, 976, 1220, 1318, 1708, 2135, 2440, 2636, 3295, 3416, 4270, 4613, 4880, 5272, 6590, 6832, 8540, 9226, 10544, 13180, 17080, 18452, 23065, 26360, 34160, 36904, 40199, 46130, 52720, 73808, 80398, 92260, 160796, 184520, 200995, 281393, 321592, 369040, 401990, 562786, 643184, 803980, 1125572, 1406965, 1607960, 2251144, 2813930, 3215920, 4502288, 5627860, 11255720, 22511440]

約数ペア:

[(1, 22511440), (2, 11255720), (4, 5627860), (5, 4502288), (7, 3215920), (8, 2813930), (10, 2251144), (14, 1607960), (16, 1406965), (20, 1125572), (28, 803980), (35, 643184), (40, 562786), (56, 401990), (61, 369040), (70, 321592), (80, 281393), (112, 200995), (122, 184520), (140, 160796), (244, 92260), (280, 80398), (305, 73808), (427, 52720), (488, 46130), (560, 40199), (610, 36904), (659, 34160), (854, 26360), (976, 23065), (1220, 18452), (1318, 17080), (1708, 13180), (2135, 10544), (2440, 9226), (2636, 8540), (3295, 6832), (3416, 6590), (4270, 5272), (4613, 4880)]