28371280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1747}}^1$

素因数の和:1796

約数の個数: 80

約数和(自身を含む): 78030720

約数和(自身を除く): 49659440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 56, 58, 70, 80, 112, 116, 140, 145, 203, 232, 280, 290, 406, 464, 560, 580, 812, 1015, 1160, 1624, 1747, 2030, 2320, 3248, 3494, 4060, 6988, 8120, 8735, 12229, 13976, 16240, 17470, 24458, 27952, 34940, 48916, 50663, 61145, 69880, 97832, 101326, 122290, 139760, 195664, 202652, 244580, 253315, 354641, 405304, 489160, 506630, 709282, 810608, 978320, 1013260, 1418564, 1773205, 2026520, 2837128, 3546410, 4053040, 5674256, 7092820, 14185640, 28371280]

約数ペア:

[(1, 28371280), (2, 14185640), (4, 7092820), (5, 5674256), (7, 4053040), (8, 3546410), (10, 2837128), (14, 2026520), (16, 1773205), (20, 1418564), (28, 1013260), (29, 978320), (35, 810608), (40, 709282), (56, 506630), (58, 489160), (70, 405304), (80, 354641), (112, 253315), (116, 244580), (140, 202652), (145, 195664), (203, 139760), (232, 122290), (280, 101326), (290, 97832), (406, 69880), (464, 61145), (560, 50663), (580, 48916), (812, 34940), (1015, 27952), (1160, 24458), (1624, 17470), (1747, 16240), (2030, 13976), (2320, 12229), (3248, 8735), (3494, 8120), (4060, 6988)]