72521440

素因数分解:

$2^5\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2887}}^1$

素因数の和:3059

約数の個数: 48

約数和(自身を含む): 172482912

約数和(自身を除く): 99961472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 157, 160, 314, 628, 785, 1256, 1570, 2512, 2887, 3140, 5024, 5774, 6280, 11548, 12560, 14435, 23096, 25120, 28870, 46192, 57740, 92384, 115480, 230960, 453259, 461920, 906518, 1813036, 2266295, 3626072, 4532590, 7252144, 9065180, 14504288, 18130360, 36260720, 72521440]

約数ペア:

[(1, 72521440), (2, 36260720), (4, 18130360), (5, 14504288), (8, 9065180), (10, 7252144), (16, 4532590), (20, 3626072), (32, 2266295), (40, 1813036), (80, 906518), (157, 461920), (160, 453259), (314, 230960), (628, 115480), (785, 92384), (1256, 57740), (1570, 46192), (2512, 28870), (2887, 25120), (3140, 23096), (5024, 14435), (5774, 12560), (6280, 11548)]