12527960

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{7639}}^1$

素因数の和:7691

約数の個数: 32

約数和(自身を含む): 28879200

約数和(自身を除く): 16351240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 7639, 15278, 30556, 38195, 61112, 76390, 152780, 305560, 313199, 626398, 1252796, 1565995, 2505592, 3131990, 6263980, 12527960]

約数ペア:

[(1, 12527960), (2, 6263980), (4, 3131990), (5, 2505592), (8, 1565995), (10, 1252796), (20, 626398), (40, 313199), (41, 305560), (82, 152780), (164, 76390), (205, 61112), (328, 38195), (410, 30556), (820, 15278), (1640, 7639)]