72489610

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{1031}}^1$

素因数の和:1206

約数の個数: 32

約数和(自身を含む): 133747200

約数和(自身を除く): 61257590

約数列:

[1, 2, 5, 10, 79, 89, 158, 178, 395, 445, 790, 890, 1031, 2062, 5155, 7031, 10310, 14062, 35155, 70310, 81449, 91759, 162898, 183518, 407245, 458795, 814490, 917590, 7248961, 14497922, 36244805, 72489610]

約数ペア:

[(1, 72489610), (2, 36244805), (5, 14497922), (10, 7248961), (79, 917590), (89, 814490), (158, 458795), (178, 407245), (395, 183518), (445, 162898), (790, 91759), (890, 81449), (1031, 70310), (2062, 35155), (5155, 14062), (7031, 10310)]