2249680

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{461}}^1$

素因数の和:535

約数の個数: 40

約数和(自身を含む): 5327784

約数和(自身を除く): 3078104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 461, 488, 610, 922, 976, 1220, 1844, 2305, 2440, 3688, 4610, 4880, 7376, 9220, 18440, 28121, 36880, 56242, 112484, 140605, 224968, 281210, 449936, 562420, 1124840, 2249680]

約数ペア:

[(1, 2249680), (2, 1124840), (4, 562420), (5, 449936), (8, 281210), (10, 224968), (16, 140605), (20, 112484), (40, 56242), (61, 36880), (80, 28121), (122, 18440), (244, 9220), (305, 7376), (461, 4880), (488, 4610), (610, 3688), (922, 2440), (976, 2305), (1220, 1844)]