5680491280

素因数分解:

$2^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{523}}^1\times {\mathrm{991}}^1$

素因数の和:1664

約数の個数: 80

約数和(自身を含む): 13342431744

約数和(自身を除く): 7661940464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137, 274, 523, 548, 685, 991, 1046, 1096, 1370, 1982, 2092, 2192, 2615, 2740, 3964, 4184, 4955, 5230, 5480, 7928, 8368, 9910, 10460, 10960, 15856, 19820, 20920, 39640, 41840, 71651, 79280, 135767, 143302, 271534, 286604, 358255, 518293, 543068, 573208, 678835, 716510, 1036586, 1086136, 1146416, 1357670, 1433020, 2073172, 2172272, 2591465, 2715340, 2866040, 4146344, 5182930, 5430680, 5732080, 8292688, 10365860, 10861360, 20731720, 41463440, 71006141, 142012282, 284024564, 355030705, 568049128, 710061410, 1136098256, 1420122820, 2840245640, 5680491280]

約数ペア:

[(1, 5680491280), (2, 2840245640), (4, 1420122820), (5, 1136098256), (8, 710061410), (10, 568049128), (16, 355030705), (20, 284024564), (40, 142012282), (80, 71006141), (137, 41463440), (274, 20731720), (523, 10861360), (548, 10365860), (685, 8292688), (991, 5732080), (1046, 5430680), (1096, 5182930), (1370, 4146344), (1982, 2866040), (2092, 2715340), (2192, 2591465), (2615, 2172272), (2740, 2073172), (3964, 1433020), (4184, 1357670), (4955, 1146416), (5230, 1086136), (5480, 1036586), (7928, 716510), (8368, 678835), (9910, 573208), (10460, 543068), (10960, 518293), (15856, 358255), (19820, 286604), (20920, 271534), (39640, 143302), (41840, 135767), (71651, 79280)]