25316220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{6917}}^1$

素因数の和:6990

約数の個数: 48

約数和(自身を含む): 72057888

約数和(自身を除く): 46741668

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 3660, 6917, 13834, 20751, 27668, 34585, 41502, 69170, 83004, 103755, 138340, 207510, 415020, 421937, 843874, 1265811, 1687748, 2109685, 2531622, 4219370, 5063244, 6329055, 8438740, 12658110, 25316220]

約数ペア:

[(1, 25316220), (2, 12658110), (3, 8438740), (4, 6329055), (5, 5063244), (6, 4219370), (10, 2531622), (12, 2109685), (15, 1687748), (20, 1265811), (30, 843874), (60, 421937), (61, 415020), (122, 207510), (183, 138340), (244, 103755), (305, 83004), (366, 69170), (610, 41502), (732, 34585), (915, 27668), (1220, 20751), (1830, 13834), (3660, 6917)]