2021980160

素因数分解:

$2^{11}\times 5^1\times {\mathrm{379}}^1\times {\mathrm{521}}^1$

素因数の和:927

約数の個数: 96

約数和(自身を含む): 4873705200

約数和(自身を除く): 2851725040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 379, 512, 521, 640, 758, 1024, 1042, 1280, 1516, 1895, 2048, 2084, 2560, 2605, 3032, 3790, 4168, 5120, 5210, 6064, 7580, 8336, 10240, 10420, 12128, 15160, 16672, 20840, 24256, 30320, 33344, 41680, 48512, 60640, 66688, 83360, 97024, 121280, 133376, 166720, 194048, 197459, 242560, 266752, 333440, 388096, 394918, 485120, 533504, 666880, 776192, 789836, 970240, 987295, 1067008, 1333760, 1579672, 1940480, 1974590, 2667520, 3159344, 3880960, 3949180, 5335040, 6318688, 7898360, 12637376, 15796720, 25274752, 31593440, 50549504, 63186880, 101099008, 126373760, 202198016, 252747520, 404396032, 505495040, 1010990080, 2021980160]

約数ペア:

[(1, 2021980160), (2, 1010990080), (4, 505495040), (5, 404396032), (8, 252747520), (10, 202198016), (16, 126373760), (20, 101099008), (32, 63186880), (40, 50549504), (64, 31593440), (80, 25274752), (128, 15796720), (160, 12637376), (256, 7898360), (320, 6318688), (379, 5335040), (512, 3949180), (521, 3880960), (640, 3159344), (758, 2667520), (1024, 1974590), (1042, 1940480), (1280, 1579672), (1516, 1333760), (1895, 1067008), (2048, 987295), (2084, 970240), (2560, 789836), (2605, 776192), (3032, 666880), (3790, 533504), (4168, 485120), (5120, 394918), (5210, 388096), (6064, 333440), (7580, 266752), (8336, 242560), (10240, 197459), (10420, 194048), (12128, 166720), (15160, 133376), (16672, 121280), (20840, 97024), (24256, 83360), (30320, 66688), (33344, 60640), (41680, 48512)]