26561560

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:316

約数の個数: 64

約数和(自身を含む): 62298720

約数和(自身を除く): 35737160

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 131, 137, 148, 185, 262, 274, 296, 370, 524, 548, 655, 685, 740, 1048, 1096, 1310, 1370, 1480, 2620, 2740, 4847, 5069, 5240, 5480, 9694, 10138, 17947, 19388, 20276, 24235, 25345, 35894, 38776, 40552, 48470, 50690, 71788, 89735, 96940, 101380, 143576, 179470, 193880, 202760, 358940, 664039, 717880, 1328078, 2656156, 3320195, 5312312, 6640390, 13280780, 26561560]

約数ペア:

[(1, 26561560), (2, 13280780), (4, 6640390), (5, 5312312), (8, 3320195), (10, 2656156), (20, 1328078), (37, 717880), (40, 664039), (74, 358940), (131, 202760), (137, 193880), (148, 179470), (185, 143576), (262, 101380), (274, 96940), (296, 89735), (370, 71788), (524, 50690), (548, 48470), (655, 40552), (685, 38776), (740, 35894), (1048, 25345), (1096, 24235), (1310, 20276), (1370, 19388), (1480, 17947), (2620, 10138), (2740, 9694), (4847, 5480), (5069, 5240)]