25871320

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{461}}^1$

素因数の和:556

約数の個数: 64

約数和(自身を含む): 61871040

約数和(自身を除く): 35999720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 61, 92, 115, 122, 184, 230, 244, 305, 460, 461, 488, 610, 920, 922, 1220, 1403, 1844, 2305, 2440, 2806, 3688, 4610, 5612, 7015, 9220, 10603, 11224, 14030, 18440, 21206, 28060, 28121, 42412, 53015, 56120, 56242, 84824, 106030, 112484, 140605, 212060, 224968, 281210, 424120, 562420, 646783, 1124840, 1293566, 2587132, 3233915, 5174264, 6467830, 12935660, 25871320]

約数ペア:

[(1, 25871320), (2, 12935660), (4, 6467830), (5, 5174264), (8, 3233915), (10, 2587132), (20, 1293566), (23, 1124840), (40, 646783), (46, 562420), (61, 424120), (92, 281210), (115, 224968), (122, 212060), (184, 140605), (230, 112484), (244, 106030), (305, 84824), (460, 56242), (461, 56120), (488, 53015), (610, 42412), (920, 28121), (922, 28060), (1220, 21206), (1403, 18440), (1844, 14030), (2305, 11224), (2440, 10603), (2806, 9220), (3688, 7015), (4610, 5612)]