28904514280

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{2341}}^1\times {\mathrm{3719}}^1$

素因数の和:6154

約数の個数: 64

約数和(自身を含む): 65864534400

約数和(自身を除く): 36960020120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 2341, 3320, 3719, 4682, 7438, 9364, 11705, 14876, 18595, 18728, 23410, 29752, 37190, 46820, 74380, 93640, 148760, 194303, 308677, 388606, 617354, 777212, 971515, 1234708, 1543385, 1554424, 1943030, 2469416, 3086770, 3886060, 6173540, 7772120, 8706179, 12347080, 17412358, 34824716, 43530895, 69649432, 87061790, 174123580, 348247160, 722612857, 1445225714, 2890451428, 3613064285, 5780902856, 7226128570, 14452257140, 28904514280]

約数ペア:

[(1, 28904514280), (2, 14452257140), (4, 7226128570), (5, 5780902856), (8, 3613064285), (10, 2890451428), (20, 1445225714), (40, 722612857), (83, 348247160), (166, 174123580), (332, 87061790), (415, 69649432), (664, 43530895), (830, 34824716), (1660, 17412358), (2341, 12347080), (3320, 8706179), (3719, 7772120), (4682, 6173540), (7438, 3886060), (9364, 3086770), (11705, 2469416), (14876, 1943030), (18595, 1554424), (18728, 1543385), (23410, 1234708), (29752, 971515), (37190, 777212), (46820, 617354), (74380, 388606), (93640, 308677), (148760, 194303)]