64116260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{12979}}^1$

素因数の和:13020

約数の個数: 48

約数和(自身を含む): 152644800

約数和(自身を除く): 88528540

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 12979, 25958, 51916, 64895, 129790, 168727, 246601, 259580, 337454, 493202, 674908, 843635, 986404, 1233005, 1687270, 2466010, 3205813, 3374540, 4932020, 6411626, 12823252, 16029065, 32058130, 64116260]

約数ペア:

[(1, 64116260), (2, 32058130), (4, 16029065), (5, 12823252), (10, 6411626), (13, 4932020), (19, 3374540), (20, 3205813), (26, 2466010), (38, 1687270), (52, 1233005), (65, 986404), (76, 843635), (95, 674908), (130, 493202), (190, 337454), (247, 259580), (260, 246601), (380, 168727), (494, 129790), (988, 64895), (1235, 51916), (2470, 25958), (4940, 12979)]