51289040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{349}}^1$

素因数の和:540

約数の個数: 80

約数和(自身を含む): 131241600

約数和(自身を除く): 79952560

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 167, 176, 220, 334, 349, 440, 668, 698, 835, 880, 1336, 1396, 1670, 1745, 1837, 2672, 2792, 3340, 3490, 3674, 3839, 5584, 6680, 6980, 7348, 7678, 9185, 13360, 13960, 14696, 15356, 18370, 19195, 27920, 29392, 30712, 36740, 38390, 58283, 61424, 73480, 76780, 116566, 146960, 153560, 233132, 291415, 307120, 466264, 582830, 641113, 932528, 1165660, 1282226, 2331320, 2564452, 3205565, 4662640, 5128904, 6411130, 10257808, 12822260, 25644520, 51289040]

約数ペア:

[(1, 51289040), (2, 25644520), (4, 12822260), (5, 10257808), (8, 6411130), (10, 5128904), (11, 4662640), (16, 3205565), (20, 2564452), (22, 2331320), (40, 1282226), (44, 1165660), (55, 932528), (80, 641113), (88, 582830), (110, 466264), (167, 307120), (176, 291415), (220, 233132), (334, 153560), (349, 146960), (440, 116566), (668, 76780), (698, 73480), (835, 61424), (880, 58283), (1336, 38390), (1396, 36740), (1670, 30712), (1745, 29392), (1837, 27920), (2672, 19195), (2792, 18370), (3340, 15356), (3490, 14696), (3674, 13960), (3839, 13360), (5584, 9185), (6680, 7678), (6980, 7348)]