13613720

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1613}}^1$

素因数の和:1835

約数の個数: 32

約数和(自身を含む): 30795120

約数和(自身を除く): 17181400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1613, 1688, 2110, 3226, 4220, 6452, 8065, 8440, 12904, 16130, 32260, 64520, 340343, 680686, 1361372, 1701715, 2722744, 3403430, 6806860, 13613720]

約数ペア:

[(1, 13613720), (2, 6806860), (4, 3403430), (5, 2722744), (8, 1701715), (10, 1361372), (20, 680686), (40, 340343), (211, 64520), (422, 32260), (844, 16130), (1055, 12904), (1613, 8440), (1688, 8065), (2110, 6452), (3226, 4220)]