25006340

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1$

素因数の和:372

約数の個数: 48

約数和(自身を含む): 54163200

約数和(自身を除く): 29156860

約数列:

[1, 2, 4, 5, 10, 20, 61, 103, 122, 199, 206, 244, 305, 398, 412, 515, 610, 796, 995, 1030, 1220, 1990, 2060, 3980, 6283, 12139, 12566, 20497, 24278, 25132, 31415, 40994, 48556, 60695, 62830, 81988, 102485, 121390, 125660, 204970, 242780, 409940, 1250317, 2500634, 5001268, 6251585, 12503170, 25006340]

約数ペア:

[(1, 25006340), (2, 12503170), (4, 6251585), (5, 5001268), (10, 2500634), (20, 1250317), (61, 409940), (103, 242780), (122, 204970), (199, 125660), (206, 121390), (244, 102485), (305, 81988), (398, 62830), (412, 60695), (515, 48556), (610, 40994), (796, 31415), (995, 25132), (1030, 24278), (1220, 20497), (1990, 12566), (2060, 12139), (3980, 6283)]