51014004080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2543}}^1\times {\mathrm{19289}}^1$

素因数の和:21858

約数の個数: 80

約数和(自身を含む): 127788071040

約数和(自身を除く): 76774066960

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 2543, 5086, 10172, 12715, 19289, 20344, 25430, 33059, 38578, 40688, 50860, 66118, 77156, 96445, 101720, 132236, 154312, 165295, 192890, 203440, 250757, 264472, 308624, 330590, 385780, 501514, 528944, 661180, 771560, 1003028, 1253785, 1322360, 1543120, 2006056, 2507570, 2644720, 4012112, 5015140, 10030280, 20060560, 49051927, 98103854, 196207708, 245259635, 392415416, 490519270, 637675051, 784830832, 981038540, 1275350102, 1962077080, 2550700204, 3188375255, 3924154160, 5101400408, 6376750510, 10202800816, 12753501020, 25507002040, 51014004080]

約数ペア:

[(1, 51014004080), (2, 25507002040), (4, 12753501020), (5, 10202800816), (8, 6376750510), (10, 5101400408), (13, 3924154160), (16, 3188375255), (20, 2550700204), (26, 1962077080), (40, 1275350102), (52, 981038540), (65, 784830832), (80, 637675051), (104, 490519270), (130, 392415416), (208, 245259635), (260, 196207708), (520, 98103854), (1040, 49051927), (2543, 20060560), (5086, 10030280), (10172, 5015140), (12715, 4012112), (19289, 2644720), (20344, 2507570), (25430, 2006056), (33059, 1543120), (38578, 1322360), (40688, 1253785), (50860, 1003028), (66118, 771560), (77156, 661180), (96445, 528944), (101720, 501514), (132236, 385780), (154312, 330590), (165295, 308624), (192890, 264472), (203440, 250757)]