20288587190

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{5167}}^1$

素因数の和:5433

約数の個数: 64

約数和(自身を含む): 38273050368

約数和(自身を除く): 17984463178

約数列:

[1, 2, 5, 10, 41, 61, 82, 122, 157, 205, 305, 314, 410, 610, 785, 1570, 2501, 5002, 5167, 6437, 9577, 10334, 12505, 12874, 19154, 25010, 25835, 32185, 47885, 51670, 64370, 95770, 211847, 315187, 392657, 423694, 630374, 785314, 811219, 1059235, 1575935, 1622438, 1963285, 2118470, 3151870, 3926570, 4056095, 8112190, 12922667, 25845334, 33259979, 49484359, 64613335, 66519958, 98968718, 129226670, 166299895, 247421795, 332599790, 494843590, 2028858719, 4057717438, 10144293595, 20288587190]

約数ペア:

[(1, 20288587190), (2, 10144293595), (5, 4057717438), (10, 2028858719), (41, 494843590), (61, 332599790), (82, 247421795), (122, 166299895), (157, 129226670), (205, 98968718), (305, 66519958), (314, 64613335), (410, 49484359), (610, 33259979), (785, 25845334), (1570, 12922667), (2501, 8112190), (5002, 4056095), (5167, 3926570), (6437, 3151870), (9577, 2118470), (10334, 1963285), (12505, 1622438), (12874, 1575935), (19154, 1059235), (25010, 811219), (25835, 785314), (32185, 630374), (47885, 423694), (51670, 392657), (64370, 315187), (95770, 211847)]