2837720

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1163}}^1$

素因数の和:1235

約数の個数: 32

約数和(自身を含む): 6495120

約数和(自身を除く): 3657400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1163, 1220, 2326, 2440, 4652, 5815, 9304, 11630, 23260, 46520, 70943, 141886, 283772, 354715, 567544, 709430, 1418860, 2837720]

約数ペア:

[(1, 2837720), (2, 1418860), (4, 709430), (5, 567544), (8, 354715), (10, 283772), (20, 141886), (40, 70943), (61, 46520), (122, 23260), (244, 11630), (305, 9304), (488, 5815), (610, 4652), (1163, 2440), (1220, 2326)]