28561960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1229}}^1$

素因数の和:1330

約数の個数: 64

約数和(自身を含む): 74390400

約数和(自身を除く): 45828440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 83, 140, 166, 280, 332, 415, 581, 664, 830, 1162, 1229, 1660, 2324, 2458, 2905, 3320, 4648, 4916, 5810, 6145, 8603, 9832, 11620, 12290, 17206, 23240, 24580, 34412, 43015, 49160, 68824, 86030, 102007, 172060, 204014, 344120, 408028, 510035, 714049, 816056, 1020070, 1428098, 2040140, 2856196, 3570245, 4080280, 5712392, 7140490, 14280980, 28561960]

約数ペア:

[(1, 28561960), (2, 14280980), (4, 7140490), (5, 5712392), (7, 4080280), (8, 3570245), (10, 2856196), (14, 2040140), (20, 1428098), (28, 1020070), (35, 816056), (40, 714049), (56, 510035), (70, 408028), (83, 344120), (140, 204014), (166, 172060), (280, 102007), (332, 86030), (415, 68824), (581, 49160), (664, 43015), (830, 34412), (1162, 24580), (1229, 23240), (1660, 17206), (2324, 12290), (2458, 11620), (2905, 9832), (3320, 8603), (4648, 6145), (4916, 5810)]