3935720

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1613}}^1$

素因数の和:1685

約数の個数: 32

約数和(自身を含む): 9006120

約数和(自身を除く): 5070400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 1613, 2440, 3226, 6452, 8065, 12904, 16130, 32260, 64520, 98393, 196786, 393572, 491965, 787144, 983930, 1967860, 3935720]

約数ペア:

[(1, 3935720), (2, 1967860), (4, 983930), (5, 787144), (8, 491965), (10, 393572), (20, 196786), (40, 98393), (61, 64520), (122, 32260), (244, 16130), (305, 12904), (488, 8065), (610, 6452), (1220, 3226), (1613, 2440)]