87816320

素因数分解:

$2^7\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3191}}^1$

素因数の和:3253

約数の個数: 64

約数和(自身を含む): 214885440

約数和(自身を除く): 127069120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 320, 344, 430, 640, 688, 860, 1376, 1720, 2752, 3191, 3440, 5504, 6382, 6880, 12764, 13760, 15955, 25528, 27520, 31910, 51056, 63820, 102112, 127640, 137213, 204224, 255280, 274426, 408448, 510560, 548852, 686065, 1021120, 1097704, 1372130, 2042240, 2195408, 2744260, 4390816, 5488520, 8781632, 10977040, 17563264, 21954080, 43908160, 87816320]

約数ペア:

[(1, 87816320), (2, 43908160), (4, 21954080), (5, 17563264), (8, 10977040), (10, 8781632), (16, 5488520), (20, 4390816), (32, 2744260), (40, 2195408), (43, 2042240), (64, 1372130), (80, 1097704), (86, 1021120), (128, 686065), (160, 548852), (172, 510560), (215, 408448), (320, 274426), (344, 255280), (430, 204224), (640, 137213), (688, 127640), (860, 102112), (1376, 63820), (1720, 51056), (2752, 31910), (3191, 27520), (3440, 25528), (5504, 15955), (6382, 13760), (6880, 12764)]