2017079720

素因数分解:

$2^3\times 5^1\times {\mathrm{1619}}^1\times {\mathrm{31147}}^1$

素因数の和:32777

約数の個数: 32

約数和(自身を含む): 4541378400

約数和(自身を除く): 2524298680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1619, 3238, 6476, 8095, 12952, 16190, 31147, 32380, 62294, 64760, 124588, 155735, 249176, 311470, 622940, 1245880, 50426993, 100853986, 201707972, 252134965, 403415944, 504269930, 1008539860, 2017079720]

約数ペア:

[(1, 2017079720), (2, 1008539860), (4, 504269930), (5, 403415944), (8, 252134965), (10, 201707972), (20, 100853986), (40, 50426993), (1619, 1245880), (3238, 622940), (6476, 311470), (8095, 249176), (12952, 155735), (16190, 124588), (31147, 64760), (32380, 62294)]