4416880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:194

約数の個数: 80

約数和(自身を含む): 11499264

約数和(自身を除く): 7082384

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 137, 155, 208, 248, 260, 274, 310, 403, 496, 520, 548, 620, 685, 806, 1040, 1096, 1240, 1370, 1612, 1781, 2015, 2192, 2480, 2740, 3224, 3562, 4030, 4247, 5480, 6448, 7124, 8060, 8494, 8905, 10960, 14248, 16120, 16988, 17810, 21235, 28496, 32240, 33976, 35620, 42470, 55211, 67952, 71240, 84940, 110422, 142480, 169880, 220844, 276055, 339760, 441688, 552110, 883376, 1104220, 2208440, 4416880]

約数ペア:

[(1, 4416880), (2, 2208440), (4, 1104220), (5, 883376), (8, 552110), (10, 441688), (13, 339760), (16, 276055), (20, 220844), (26, 169880), (31, 142480), (40, 110422), (52, 84940), (62, 71240), (65, 67952), (80, 55211), (104, 42470), (124, 35620), (130, 33976), (137, 32240), (155, 28496), (208, 21235), (248, 17810), (260, 16988), (274, 16120), (310, 14248), (403, 10960), (496, 8905), (520, 8494), (548, 8060), (620, 7124), (685, 6448), (806, 5480), (1040, 4247), (1096, 4030), (1240, 3562), (1370, 3224), (1612, 2740), (1781, 2480), (2015, 2192)]