53123120

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:318

約数の個数: 80

約数和(自身を含む): 128750688

約数和(自身を除く): 75627568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 131, 137, 148, 185, 262, 274, 296, 370, 524, 548, 592, 655, 685, 740, 1048, 1096, 1310, 1370, 1480, 2096, 2192, 2620, 2740, 2960, 4847, 5069, 5240, 5480, 9694, 10138, 10480, 10960, 17947, 19388, 20276, 24235, 25345, 35894, 38776, 40552, 48470, 50690, 71788, 77552, 81104, 89735, 96940, 101380, 143576, 179470, 193880, 202760, 287152, 358940, 387760, 405520, 664039, 717880, 1328078, 1435760, 2656156, 3320195, 5312312, 6640390, 10624624, 13280780, 26561560, 53123120]

約数ペア:

[(1, 53123120), (2, 26561560), (4, 13280780), (5, 10624624), (8, 6640390), (10, 5312312), (16, 3320195), (20, 2656156), (37, 1435760), (40, 1328078), (74, 717880), (80, 664039), (131, 405520), (137, 387760), (148, 358940), (185, 287152), (262, 202760), (274, 193880), (296, 179470), (370, 143576), (524, 101380), (548, 96940), (592, 89735), (655, 81104), (685, 77552), (740, 71788), (1048, 50690), (1096, 48470), (1310, 40552), (1370, 38776), (1480, 35894), (2096, 25345), (2192, 24235), (2620, 20276), (2740, 19388), (2960, 17947), (4847, 10960), (5069, 10480), (5240, 10138), (5480, 9694)]