65952580

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1\times {\mathrm{227}}^1$

素因数の和:508

約数の個数: 48

約数和(自身を含む): 141724800

約数和(自身を除く): 75772220

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 199, 227, 292, 365, 398, 454, 730, 796, 908, 995, 1135, 1460, 1990, 2270, 3980, 4540, 14527, 16571, 29054, 33142, 45173, 58108, 66284, 72635, 82855, 90346, 145270, 165710, 180692, 225865, 290540, 331420, 451730, 903460, 3297629, 6595258, 13190516, 16488145, 32976290, 65952580]

約数ペア:

[(1, 65952580), (2, 32976290), (4, 16488145), (5, 13190516), (10, 6595258), (20, 3297629), (73, 903460), (146, 451730), (199, 331420), (227, 290540), (292, 225865), (365, 180692), (398, 165710), (454, 145270), (730, 90346), (796, 82855), (908, 72635), (995, 66284), (1135, 58108), (1460, 45173), (1990, 33142), (2270, 29054), (3980, 16571), (4540, 14527)]