28395520

素因数分解:

$2^{11}\times 5^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:133

約数の個数: 96

約数和(自身を含む): 70761600

約数和(自身を除く): 42366080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 59, 64, 80, 94, 118, 128, 160, 188, 235, 236, 256, 295, 320, 376, 470, 472, 512, 590, 640, 752, 940, 944, 1024, 1180, 1280, 1504, 1880, 1888, 2048, 2360, 2560, 2773, 3008, 3760, 3776, 4720, 5120, 5546, 6016, 7520, 7552, 9440, 10240, 11092, 12032, 13865, 15040, 15104, 18880, 22184, 24064, 27730, 30080, 30208, 37760, 44368, 48128, 55460, 60160, 60416, 75520, 88736, 96256, 110920, 120320, 120832, 151040, 177472, 221840, 240640, 302080, 354944, 443680, 481280, 604160, 709888, 887360, 1419776, 1774720, 2839552, 3549440, 5679104, 7098880, 14197760, 28395520]

約数ペア:

[(1, 28395520), (2, 14197760), (4, 7098880), (5, 5679104), (8, 3549440), (10, 2839552), (16, 1774720), (20, 1419776), (32, 887360), (40, 709888), (47, 604160), (59, 481280), (64, 443680), (80, 354944), (94, 302080), (118, 240640), (128, 221840), (160, 177472), (188, 151040), (235, 120832), (236, 120320), (256, 110920), (295, 96256), (320, 88736), (376, 75520), (470, 60416), (472, 60160), (512, 55460), (590, 48128), (640, 44368), (752, 37760), (940, 30208), (944, 30080), (1024, 27730), (1180, 24064), (1280, 22184), (1504, 18880), (1880, 15104), (1888, 15040), (2048, 13865), (2360, 12032), (2560, 11092), (2773, 10240), (3008, 9440), (3760, 7552), (3776, 7520), (4720, 6016), (5120, 5546)]