20131013560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{691}}^1\times {\mathrm{104047}}^1$

素因数の和:104756

約数の個数: 64

約数和(自身を含む): 51840875520

約数和(自身を除く): 31709861960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 691, 1382, 2764, 3455, 4837, 5528, 6910, 9674, 13820, 19348, 24185, 27640, 38696, 48370, 96740, 104047, 193480, 208094, 416188, 520235, 728329, 832376, 1040470, 1456658, 2080940, 2913316, 3641645, 4161880, 5826632, 7283290, 14566580, 29133160, 71896477, 143792954, 287585908, 359482385, 503275339, 575171816, 718964770, 1006550678, 1437929540, 2013101356, 2516376695, 2875859080, 4026202712, 5032753390, 10065506780, 20131013560]

約数ペア:

[(1, 20131013560), (2, 10065506780), (4, 5032753390), (5, 4026202712), (7, 2875859080), (8, 2516376695), (10, 2013101356), (14, 1437929540), (20, 1006550678), (28, 718964770), (35, 575171816), (40, 503275339), (56, 359482385), (70, 287585908), (140, 143792954), (280, 71896477), (691, 29133160), (1382, 14566580), (2764, 7283290), (3455, 5826632), (4837, 4161880), (5528, 3641645), (6910, 2913316), (9674, 2080940), (13820, 1456658), (19348, 1040470), (24185, 832376), (27640, 728329), (38696, 520235), (48370, 416188), (96740, 208094), (104047, 193480)]