20139045440

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1657}}^1\times {\mathrm{1999}}^1$

素因数の和:3692

約数の個数: 112

約数和(自身を含む): 50535840000

約数和(自身を除く): 30396794560

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 304, 320, 380, 608, 760, 1216, 1520, 1657, 1999, 3040, 3314, 3998, 6080, 6628, 7996, 8285, 9995, 13256, 15992, 16570, 19990, 26512, 31483, 31984, 33140, 37981, 39980, 53024, 62966, 63968, 66280, 75962, 79960, 106048, 125932, 127936, 132560, 151924, 157415, 159920, 189905, 251864, 265120, 303848, 314830, 319840, 379810, 503728, 530240, 607696, 629660, 639680, 759620, 1007456, 1215392, 1259320, 1519240, 2014912, 2430784, 2518640, 3038480, 3312343, 5037280, 6076960, 6624686, 10074560, 12153920, 13249372, 16561715, 26498744, 33123430, 52997488, 62934517, 66246860, 105994976, 125869034, 132493720, 211989952, 251738068, 264987440, 314672585, 503476136, 529974880, 629345170, 1006952272, 1059949760, 1258690340, 2013904544, 2517380680, 4027809088, 5034761360, 10069522720, 20139045440]

約数ペア:

[(1, 20139045440), (2, 10069522720), (4, 5034761360), (5, 4027809088), (8, 2517380680), (10, 2013904544), (16, 1258690340), (19, 1059949760), (20, 1006952272), (32, 629345170), (38, 529974880), (40, 503476136), (64, 314672585), (76, 264987440), (80, 251738068), (95, 211989952), (152, 132493720), (160, 125869034), (190, 105994976), (304, 66246860), (320, 62934517), (380, 52997488), (608, 33123430), (760, 26498744), (1216, 16561715), (1520, 13249372), (1657, 12153920), (1999, 10074560), (3040, 6624686), (3314, 6076960), (3998, 5037280), (6080, 3312343), (6628, 3038480), (7996, 2518640), (8285, 2430784), (9995, 2014912), (13256, 1519240), (15992, 1259320), (16570, 1215392), (19990, 1007456), (26512, 759620), (31483, 639680), (31984, 629660), (33140, 607696), (37981, 530240), (39980, 503728), (53024, 379810), (62966, 319840), (63968, 314830), (66280, 303848), (75962, 265120), (79960, 251864), (106048, 189905), (125932, 159920), (127936, 157415), (132560, 151924)]