20143944560

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{419}}^1\times {\mathrm{7607}}^1$

素因数の和:8118

約数の個数: 80

約数和(自身を含む): 47546956800

約数和(自身を除く): 27403012240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 419, 632, 790, 838, 1264, 1580, 1676, 2095, 3160, 3352, 4190, 6320, 6704, 7607, 8380, 15214, 16760, 30428, 33101, 33520, 38035, 60856, 66202, 76070, 121712, 132404, 152140, 165505, 264808, 304280, 331010, 529616, 600953, 608560, 662020, 1201906, 1324040, 2403812, 2648080, 3004765, 3187333, 4807624, 6009530, 6374666, 9615248, 12019060, 12749332, 15936665, 24038120, 25498664, 31873330, 48076240, 50997328, 63746660, 127493320, 251799307, 254986640, 503598614, 1007197228, 1258996535, 2014394456, 2517993070, 4028788912, 5035986140, 10071972280, 20143944560]

約数ペア:

[(1, 20143944560), (2, 10071972280), (4, 5035986140), (5, 4028788912), (8, 2517993070), (10, 2014394456), (16, 1258996535), (20, 1007197228), (40, 503598614), (79, 254986640), (80, 251799307), (158, 127493320), (316, 63746660), (395, 50997328), (419, 48076240), (632, 31873330), (790, 25498664), (838, 24038120), (1264, 15936665), (1580, 12749332), (1676, 12019060), (2095, 9615248), (3160, 6374666), (3352, 6009530), (4190, 4807624), (6320, 3187333), (6704, 3004765), (7607, 2648080), (8380, 2403812), (15214, 1324040), (16760, 1201906), (30428, 662020), (33101, 608560), (33520, 600953), (38035, 529616), (60856, 331010), (66202, 304280), (76070, 264808), (121712, 165505), (132404, 152140)]