49686520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:197

約数の個数: 128

約数和(自身を含む): 130636800

約数和(自身を除く): 80950280

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 47, 52, 65, 76, 94, 95, 104, 107, 130, 152, 188, 190, 214, 235, 247, 260, 376, 380, 428, 470, 494, 520, 535, 611, 760, 856, 893, 940, 988, 1070, 1222, 1235, 1391, 1786, 1880, 1976, 2033, 2140, 2444, 2470, 2782, 3055, 3572, 4066, 4280, 4465, 4888, 4940, 5029, 5564, 6110, 6955, 7144, 8132, 8930, 9880, 10058, 10165, 11128, 11609, 12220, 13910, 16264, 17860, 20116, 20330, 23218, 24440, 25145, 26429, 27820, 35720, 40232, 40660, 46436, 50290, 52858, 55640, 58045, 65377, 81320, 92872, 95551, 100580, 105716, 116090, 130754, 132145, 191102, 201160, 211432, 232180, 261508, 264290, 326885, 382204, 464360, 477755, 523016, 528580, 653770, 764408, 955510, 1057160, 1242163, 1307540, 1911020, 2484326, 2615080, 3822040, 4968652, 6210815, 9937304, 12421630, 24843260, 49686520]

約数ペア:

[(1, 49686520), (2, 24843260), (4, 12421630), (5, 9937304), (8, 6210815), (10, 4968652), (13, 3822040), (19, 2615080), (20, 2484326), (26, 1911020), (38, 1307540), (40, 1242163), (47, 1057160), (52, 955510), (65, 764408), (76, 653770), (94, 528580), (95, 523016), (104, 477755), (107, 464360), (130, 382204), (152, 326885), (188, 264290), (190, 261508), (214, 232180), (235, 211432), (247, 201160), (260, 191102), (376, 132145), (380, 130754), (428, 116090), (470, 105716), (494, 100580), (520, 95551), (535, 92872), (611, 81320), (760, 65377), (856, 58045), (893, 55640), (940, 52858), (988, 50290), (1070, 46436), (1222, 40660), (1235, 40232), (1391, 35720), (1786, 27820), (1880, 26429), (1976, 25145), (2033, 24440), (2140, 23218), (2444, 20330), (2470, 20116), (2782, 17860), (3055, 16264), (3572, 13910), (4066, 12220), (4280, 11609), (4465, 11128), (4888, 10165), (4940, 10058), (5029, 9880), (5564, 8930), (6110, 8132), (6955, 7144)]