13961170040

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{154643}}^1$

素因数の和:154752

約数の個数: 64

約数和(自身を含む): 32790713760

約数和(自身を除く): 18829543720

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 61, 74, 122, 148, 185, 244, 296, 305, 370, 488, 610, 740, 1220, 1480, 2257, 2440, 4514, 9028, 11285, 18056, 22570, 45140, 90280, 154643, 309286, 618572, 773215, 1237144, 1546430, 3092860, 5721791, 6185720, 9433223, 11443582, 18866446, 22887164, 28608955, 37732892, 45774328, 47166115, 57217910, 75465784, 94332230, 114435820, 188664460, 228871640, 349029251, 377328920, 698058502, 1396117004, 1745146255, 2792234008, 3490292510, 6980585020, 13961170040]

約数ペア:

[(1, 13961170040), (2, 6980585020), (4, 3490292510), (5, 2792234008), (8, 1745146255), (10, 1396117004), (20, 698058502), (37, 377328920), (40, 349029251), (61, 228871640), (74, 188664460), (122, 114435820), (148, 94332230), (185, 75465784), (244, 57217910), (296, 47166115), (305, 45774328), (370, 37732892), (488, 28608955), (610, 22887164), (740, 18866446), (1220, 11443582), (1480, 9433223), (2257, 6185720), (2440, 5721791), (4514, 3092860), (9028, 1546430), (11285, 1237144), (18056, 773215), (22570, 618572), (45140, 309286), (90280, 154643)]