25109820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{701}}^1$

素因数の和:915

約数の個数: 72

約数和(自身を含む): 76658400

約数和(自身を除く): 51548580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 199, 398, 597, 701, 796, 995, 1194, 1402, 1791, 1990, 2103, 2388, 2804, 2985, 3505, 3582, 3980, 4206, 5970, 6309, 7010, 7164, 8412, 8955, 10515, 11940, 12618, 14020, 17910, 21030, 25236, 31545, 35820, 42060, 63090, 126180, 139499, 278998, 418497, 557996, 697495, 836994, 1255491, 1394990, 1673988, 2092485, 2510982, 2789980, 4184970, 5021964, 6277455, 8369940, 12554910, 25109820]

約数ペア:

[(1, 25109820), (2, 12554910), (3, 8369940), (4, 6277455), (5, 5021964), (6, 4184970), (9, 2789980), (10, 2510982), (12, 2092485), (15, 1673988), (18, 1394990), (20, 1255491), (30, 836994), (36, 697495), (45, 557996), (60, 418497), (90, 278998), (180, 139499), (199, 126180), (398, 63090), (597, 42060), (701, 35820), (796, 31545), (995, 25236), (1194, 21030), (1402, 17910), (1791, 14020), (1990, 12618), (2103, 11940), (2388, 10515), (2804, 8955), (2985, 8412), (3505, 7164), (3582, 7010), (3980, 6309), (4206, 5970)]