72124720

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{8753}}^1$

素因数の和:8869

約数の個数: 40

約数和(自身を含む): 169337376

約数和(自身を除く): 97212656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1648, 2060, 4120, 8240, 8753, 17506, 35012, 43765, 70024, 87530, 140048, 175060, 350120, 700240, 901559, 1803118, 3606236, 4507795, 7212472, 9015590, 14424944, 18031180, 36062360, 72124720]

約数ペア:

[(1, 72124720), (2, 36062360), (4, 18031180), (5, 14424944), (8, 9015590), (10, 7212472), (16, 4507795), (20, 3606236), (40, 1803118), (80, 901559), (103, 700240), (206, 350120), (412, 175060), (515, 140048), (824, 87530), (1030, 70024), (1648, 43765), (2060, 35012), (4120, 17506), (8240, 8753)]