28252250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{8693}}^1$

素因数の和:8723

約数の個数: 32

約数和(自身を含む): 56963088

約数和(自身を除く): 28710838

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 8693, 17386, 43465, 86930, 113009, 217325, 226018, 434650, 565045, 1086625, 1130090, 2173250, 2825225, 5650450, 14126125, 28252250]

約数ペア:

[(1, 28252250), (2, 14126125), (5, 5650450), (10, 2825225), (13, 2173250), (25, 1130090), (26, 1086625), (50, 565045), (65, 434650), (125, 226018), (130, 217325), (250, 113009), (325, 86930), (650, 43465), (1625, 17386), (3250, 8693)]