28090960

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{241}}^1$

素因数の和:332

約数の個数: 80

約数和(自身を含む): 69138432

約数和(自身を除く): 41047472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 47, 62, 80, 94, 124, 155, 188, 235, 241, 248, 310, 376, 470, 482, 496, 620, 752, 940, 964, 1205, 1240, 1457, 1880, 1928, 2410, 2480, 2914, 3760, 3856, 4820, 5828, 7285, 7471, 9640, 11327, 11656, 14570, 14942, 19280, 22654, 23312, 29140, 29884, 37355, 45308, 56635, 58280, 59768, 74710, 90616, 113270, 116560, 119536, 149420, 181232, 226540, 298840, 351137, 453080, 597680, 702274, 906160, 1404548, 1755685, 2809096, 3511370, 5618192, 7022740, 14045480, 28090960]

約数ペア:

[(1, 28090960), (2, 14045480), (4, 7022740), (5, 5618192), (8, 3511370), (10, 2809096), (16, 1755685), (20, 1404548), (31, 906160), (40, 702274), (47, 597680), (62, 453080), (80, 351137), (94, 298840), (124, 226540), (155, 181232), (188, 149420), (235, 119536), (241, 116560), (248, 113270), (310, 90616), (376, 74710), (470, 59768), (482, 58280), (496, 56635), (620, 45308), (752, 37355), (940, 29884), (964, 29140), (1205, 23312), (1240, 22654), (1457, 19280), (1880, 14942), (1928, 14570), (2410, 11656), (2480, 11327), (2914, 9640), (3760, 7471), (3856, 7285), (4820, 5828)]