827778920

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{167}}^1\times {\mathrm{1493}}^1$

素因数の和:1754

約数の個数: 64

約数和(自身を含む): 1897499520

約数和(自身を除く): 1069720600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 167, 332, 334, 415, 664, 668, 830, 835, 1336, 1493, 1660, 1670, 2986, 3320, 3340, 5972, 6680, 7465, 11944, 13861, 14930, 27722, 29860, 55444, 59720, 69305, 110888, 123919, 138610, 247838, 249331, 277220, 495676, 498662, 554440, 619595, 991352, 997324, 1239190, 1246655, 1994648, 2478380, 2493310, 4956760, 4986620, 9973240, 20694473, 41388946, 82777892, 103472365, 165555784, 206944730, 413889460, 827778920]

約数ペア:

[(1, 827778920), (2, 413889460), (4, 206944730), (5, 165555784), (8, 103472365), (10, 82777892), (20, 41388946), (40, 20694473), (83, 9973240), (166, 4986620), (167, 4956760), (332, 2493310), (334, 2478380), (415, 1994648), (664, 1246655), (668, 1239190), (830, 997324), (835, 991352), (1336, 619595), (1493, 554440), (1660, 498662), (1670, 495676), (2986, 277220), (3320, 249331), (3340, 247838), (5972, 138610), (6680, 123919), (7465, 110888), (11944, 69305), (13861, 59720), (14930, 55444), (27722, 29860)]