25134440

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{10301}}^1$

素因数の和:10373

約数の個数: 32

約数和(自身を含む): 57485160

約数和(自身を除く): 32350720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 10301, 20602, 41204, 51505, 82408, 103010, 206020, 412040, 628361, 1256722, 2513444, 3141805, 5026888, 6283610, 12567220, 25134440]

約数ペア:

[(1, 25134440), (2, 12567220), (4, 6283610), (5, 5026888), (8, 3141805), (10, 2513444), (20, 1256722), (40, 628361), (61, 412040), (122, 206020), (244, 103010), (305, 82408), (488, 51505), (610, 41204), (1220, 20602), (2440, 10301)]