17997440

素因数分解:

$2^7\times 5^1\times {\mathrm{61}}^1\times {\mathrm{461}}^1$

素因数の和:541

約数の個数: 64

約数和(自身を含む): 43825320

約数和(自身を除く): 25827880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 305, 320, 461, 488, 610, 640, 922, 976, 1220, 1844, 1952, 2305, 2440, 3688, 3904, 4610, 4880, 7376, 7808, 9220, 9760, 14752, 18440, 19520, 28121, 29504, 36880, 39040, 56242, 59008, 73760, 112484, 140605, 147520, 224968, 281210, 295040, 449936, 562420, 899872, 1124840, 1799744, 2249680, 3599488, 4499360, 8998720, 17997440]

約数ペア:

[(1, 17997440), (2, 8998720), (4, 4499360), (5, 3599488), (8, 2249680), (10, 1799744), (16, 1124840), (20, 899872), (32, 562420), (40, 449936), (61, 295040), (64, 281210), (80, 224968), (122, 147520), (128, 140605), (160, 112484), (244, 73760), (305, 59008), (320, 56242), (461, 39040), (488, 36880), (610, 29504), (640, 28121), (922, 19520), (976, 18440), (1220, 14752), (1844, 9760), (1952, 9220), (2305, 7808), (2440, 7376), (3688, 4880), (3904, 4610)]