51780160

素因数分解:

$2^6\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1571}}^1$

素因数の和:1691

約数の個数: 56

約数和(自身を含む): 124577856

約数和(自身を除く): 72797696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 103, 160, 206, 320, 412, 515, 824, 1030, 1571, 1648, 2060, 3142, 3296, 4120, 6284, 6592, 7855, 8240, 12568, 15710, 16480, 25136, 31420, 32960, 50272, 62840, 100544, 125680, 161813, 251360, 323626, 502720, 647252, 809065, 1294504, 1618130, 2589008, 3236260, 5178016, 6472520, 10356032, 12945040, 25890080, 51780160]

約数ペア:

[(1, 51780160), (2, 25890080), (4, 12945040), (5, 10356032), (8, 6472520), (10, 5178016), (16, 3236260), (20, 2589008), (32, 1618130), (40, 1294504), (64, 809065), (80, 647252), (103, 502720), (160, 323626), (206, 251360), (320, 161813), (412, 125680), (515, 100544), (824, 62840), (1030, 50272), (1571, 32960), (1648, 31420), (2060, 25136), (3142, 16480), (3296, 15710), (4120, 12568), (6284, 8240), (6592, 7855)]