81560645216

素因数分解:

$2^5\times {\mathrm{89}}^1\times {\mathrm{509}}^1\times {\mathrm{56263}}^1$

素因数の和:56871

約数の個数: 48

約数和(自身を含む): 162698608800

約数和(自身を除く): 81137963584

約数列:

[1, 2, 4, 8, 16, 32, 89, 178, 356, 509, 712, 1018, 1424, 2036, 2848, 4072, 8144, 16288, 45301, 56263, 90602, 112526, 181204, 225052, 362408, 450104, 724816, 900208, 1449632, 1800416, 5007407, 10014814, 20029628, 28637867, 40059256, 57275734, 80118512, 114551468, 160237024, 229102936, 458205872, 916411744, 2548770163, 5097540326, 10195080652, 20390161304, 40780322608, 81560645216]

約数ペア:

[(1, 81560645216), (2, 40780322608), (4, 20390161304), (8, 10195080652), (16, 5097540326), (32, 2548770163), (89, 916411744), (178, 458205872), (356, 229102936), (509, 160237024), (712, 114551468), (1018, 80118512), (1424, 57275734), (2036, 40059256), (2848, 28637867), (4072, 20029628), (8144, 10014814), (16288, 5007407), (45301, 1800416), (56263, 1449632), (90602, 900208), (112526, 724816), (181204, 450104), (225052, 362408)]